Aug 07 2011

Exact Proof

Posted by admin in Autographs




Exact Proof

Mistake Proofing

Mistake Proofing Overview

 

Mistake proofing is a technique for eliminating errors. It is based upon the premise that it is good to do something right the first time; it is even better to make it impossible to do it wrong the first time. The idea is to make it impossible to make a mistake. You may also hear the term, Poka-Yoke or Error Proofing applied to mistake proofing.

 

The objectives of this article are to provide participants with the information so they can:

  • Understand the difference between errors and defects;
  • Understand how defects originate
  • Recognize the elements of source inspection and its role in defect elimination;
  • Identify key mistake proofing devices;
  • Show mistake proofing as a proactive tool, and;
  • Show how mistake proofing fits into the Lean Six Sigma methodology.

 Principles for Mistake Proofing

 

Mistake proofing is rooted in a deep respect for the intelligence of workers. It is a principle that seeks to take over repetitive tasks or actions thereby freeing a worker’s time for creative and value-adding activities. Its objective is zero defects.

 

There are several examples of mistake proofing in everyday life. Consider automatic sinks and toilets in public rest rooms. They are designed to turn on and off without having to think about them. Automatic seat belts work the same way. All one needs to do is sit in the car and turn on the key and a shoulder harness moves into place. Mistake proofing focuses on eliminating the source of errors.

 

Errors vs. Defects

 

Errors are not the same as defects. Errors cause defects. Defects are many times the result of errors.

 

Walk into any public restroom and you are likely to see toilets that have not been flushed or sinks, with water running freely. In many cases, the hot water has been turned off in the sinks to conserve the costs of energy for heating the water. In these circumstances, what are the defects and what are the errors?

 

The defects are the filthy toilets and the running water. These are non-conformities in the process. They do not meet the pre-determined criteria that the public and management have established for a good restroom. As such, they must be corrected. If not corrected, they will cost management, both in terms of dollars and customers.

 

Hot water that runs unchecked involves a significant fuel expense. Filthy toilets discourage the public from returning to the business.

 

What is management to do?

 

One solution is to get out of the business. Many public places take this approach. Their restrooms are closed to the public. A modified version of this solution is to limit services to limit expenses. This is the approach taken when management turns off hot water. The hope is that the customer does not miss it. Another solution is to inspect for defects frequently and correct them when found. Yet this solution is only effective if its cost is less than or equal to the cost of the defect. Most often it is a stop gap measure that provides fewer defects but at greater costs. Mistake proofing offers a third solution.

 

The question is, can the error that causes the defect be minimized? Can it be eliminated?

 

The error in our public rest room example is human forgetfulness. People forget to operate the equipment. So, we build in an automated solution that takes care of this operation for them. They can no longer make the error; the defect is removed.

 

There are five general reasons why errors occur:

  • Procedures are incorrect or non-existent. They do not fit the task, the environment, the equipment, the materials, the measurement, or the labor resources.
  • There is excessive variation in the process
  • There is excessive variation in the raw materials
  • Measuring devices are inaccurate
  • Human error

 

The last item on our list, human error, can be further broken down into ten categories:

  • Forgetfulness, nor not concentrating;
  • Misunderstanding, or jumping to conclusions without having all the information;
  • Identification, or viewing the situation incorrectly (perhaps it is too far away);
  • Training, or lack of it;
  • Willful errors where the human ignores the rules;
  • Inadvertent errors involving distraction or fatigue;
  • Slowness, or delays in judgment;
  • Lack of standards;
  • Surprises when something does not go as planned, and;
  • Intentional errors such as sabotage.

 

This list should give some food for thought. There are many things that contribute to human error. Among them are adjustments, multiple tasking, infrequent tasks, lack of standards, and repetition that is too rapid for the individual.

 

Such things can be controlled. Indeed, a great deal of planning and expense is involved in trying to do so. Yet errors still happen. A traditional approach to manufacturing and service industries is to think they are unavoidable. People are only human. Everything varies, and you can’t plan for all contingencies. The traditionalist would say that everything must be inspected to control the inevitable defect. (Remember that defect is the result of error.)

 

The Lean Six Sigma view, however, differs. Many errors can be eliminated, not all of them, to be sure, but many. If many can be eliminated, and many more can be reduced, and if the focus of the efforts is in the Vital Few rather than the Trivial Many, then the need for inspection can be reduced or eliminated. Inspection for defects does not capture all of them. A Lean Six Sigma approach makes the User the inspector, and it controls the errors in the processes to assure that the user is satisfied with their inspections. Inspection happens in a Lean Six Sigma process; it is an inspector for error.

 

Source Inspection

 

The chart below illustrates the traditional inspection process that focuses on finding the defect. Here the inspector stands at the end of the line and feeds back information to its various positions.

 

Mistake proofing provides immediate feedback at each step, prior to the creation of a defect. Detection is finding an error after it has occurred.

 

Indeed, action can be taken before errors occur. Immediate feedback and immediate proximity to the potential error allows for better Prediction and Prevention.

 

Mistake Proofing On the Job

 

Shutdown: Effective in both prediction and detection. An example of a shutdown device is a camera that will not function when there is not enough light to take a picture. The meter predicts the picture will not take, and it shuts down. Some clothes dryers shut down when they detect an overheating situation.

 

Control: A control device can make pending errors impossible. Erroneous items cannot be used in the process. When gas stations introduced unleaded gasoline, the nozzle on the leaded pump was designed to be too big to fit into an unleaded tank, thereby preventing error. A fruit orchard assures that only the biggest apples pass on to its customers by passing the apples through a sizer. Apples that are too small fall through and are sent to a discount outlet.

 

Warning: A warning device predicts when something is about to go wrong. It can also sound immediately when something does go wrong. Seat belt buzzers are warning devices used for prediction. Smoke detectors detect a hazardous situation.

 

Contact Methods: Contact with a part highlights errors. Electrical outlets have been mistake proofed to assure proper polarity. It is impossible to put a plug in an outlet incorrectly.

 

Fixed Value Methods: Errors are detected through counting. Many boxes should be shipped with four different hazardous material warning labels. When labels were on separate rolls, errors in shipping often occurred. By placing all labels on a common roll and aligning them for easy reference, the worker easily knew when a label was missed.

 

Motion Step Methods: Detect errors by motion, or the lack of it. Seven screws in various sizes were inserted in the final assembly of a CD-ROM drive. Often a screw would be forgotten. The seven Different screws were put into bins with photo-electric switches. When a screw is removed, the beam is broken. The part cannot move on to the next operation until the beam is broken on all seven bins.

 

As you begin to recognize the techniques and methods that apply to mistake proofing, it is easy to see how the principal has been applied. Limit switches are commonly applied to assure that machines are not operated beyond their design capacity or that they are operated in a safe manner. Guide pins are routinely used to assure that jigs and molds go together in the correct configuration. At the end of this module are eight mistake proofing challenges. How can the problems be solved?

 

When You Can’t Mistake Proof

 

Some strategies can be employed to minimize mistakes, or make them easier to detect. Consider the following:

  • Colors and color coding. Credit card receipts are almost always designed so the customer gets the yellow copy and the merchant gets the white copy.
  • Use of shapes. Stop signs are always octagonal.
  • Auto-detection. Word processors come with spell checkers. These reduce errors considerably.
  • Make it easy to do it right. Use checklists. Have effective data collection forms that follow the process. Design work flows with fewer hand-offs.

 

5 Steps to Mistake Proofing

 

There are five steps to mistake proofing:

1. Identify problems. Look at customer returns, defective parts analyses, and error reports. Do a FMEA.

 

2. Prioritize problems. Look at problem frequency and cost. Identify wasted materials, rework time, detection time, and detection cost. Consider inspection costs.

 

3. Seek out the root cause. Drive down until you truly understand the source of the error. Correct mistakes at their source.

 

4. Create solutions. Make it impossible to do it wrong. Perform a cost benefit analysis to see how long the investment in the solution will take to repay itself. Be creative in solution generation.

 

5. Measure the results. Have errors been eliminated and what is the impact?

There is no doubt that mistake proofing offers several advantages when it is designed into the product. No formal training programs are required to implement it or to use the devices. It eliminates many inspection operations, and it relieves operators from repetitive tasks that take away from their creativity and value added activities. It results in defect-free work. It provides immediate action when problems do arise.

 

Mistake Proofing Challenges

 

Look at the following situations. What mistake proofing methods or techniques might you consider applying?

  1. ATM customers complain that they never know the right way to insert their ATM card, and it usually takes a couple of tries to get it right.

 

  1. A local bottling company wants to make sure that all bottles are filled with exactly the right amount of soda.

 

  1. A large pharmaceutical company is trying to develop a way to assure elderly people living alone take their prescription medicine at the right time and in the correct dosage.

 

  1. A manufacturer of home power tools wants to make sure that customers are wearing eye and hand protection before using their equipment.

 

  1. A consumer electronic company has had several customer complaints lately that their instructions were missing from their product.

 

  1. Nine different tools are needed to change a jig and die. Often, in the middle of changeover, the set-up operator realizes a tool is missing and has to stop to look for the tool.

 

  1. An easy-to-assemble furniture manufacturer has received several complaints about holes not being tapped for all screws. Because the furniture is made from hardwood, the customers have to drill the holes themselves.

 

  1. A contact lens solution manufacturer received complaints from distributors that some customers found empty boxes with their shipments. The company wants to make sure no more empty boxes are shipped.

 

About the Author

Steven Bonacorsi is a Senior Master Black Belt instructor and coach. Steven Bonacorsi has trained hundreds of Master Black Belts, Black Belts, Green Belts, and Project Sponsors and Executive Leaders in Lean Six Sigma DMAIC and Design for Lean Six Sigma process improvement methodologies.

Author for the Process Excellence Network (PEX Network / IQPC)

Process Excellence Network
Steven Bonacorsi, President of International Standard for Lean Six Sigma(ISLSS)
Certified Lean Six Sigma Master Black Belt
47 Seasons Lane
Londonderry, NH 03053
Phone: +(1) (603) 401-7047
E-mail: sbonacorsi@islss.com
Process Excellence Network: http://bit.ly/n4hBwu

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Kaytee Exact Rainbow Is A Nutritious Bird Food That Provides All the Nutrients Proven Necessary For Macaws, Cockatoos, All Parrots, Eclectus, Pionus and Large Conures. Product is made with Ground Corn, Ground Wheat, Ground Oat Groats, Wheat Middlings, Corn Gluten Meal, Dried Whole Egg, Dried Beet Pulp, Corn Oil, Soybean Meal, Corn Sugar, Dicalcium Phosphate, Calcium Carbonate, Wheat Germ Meal, Dried Cane Molasses, Salt, L-Lysine, Etc.

Signing Exact English


Signing Exact English


$19.83


The Dictionary – the Heart of the SEE System. Manual signs for over 4400 words, with the ability to make many more words. This book, the largest single collection of English signed vocabulary, is clearly a must for all students, teachers and parents interested in learning Signing Exact English. Contains manual signs for the alphabet, numbers, contractions, affixes, and fundamental information about sign language, sign systems and deafness. Written descriptions are adjacent to line drawings of manual signs. Includes background on SEE, suggestions for creative signing and references for further reading.

Exact Food Formula For Parrots


Exact Food Formula For Parrots


$12.1


Kaytee Exact Rainbow Is A Nutritious Bird Food Developed to Provide All the Nutrients Proven Necessary For Macaws, Cockatoos, All Parrots, Eclectus, Pionus and Large Conures. Feed as part of a normal diet. Be sure to remove uneaten portions on a daily basis. Product is made with Ground Corn, Ground Wheat, Ground Oat Groats, Wheat Middlings, Corn Gluten Meal, Dried Whole Egg, Dried Beet Pulp, Corn Oil, Soybean Meal, Corn Sugar, Dicalcium Phosphate, Calcium Carbonate, Wheat Germ Meal, Dried Cane Molasses, L-Lysine, Salt, Etc.Size:  11.5 x 7.75 x 5.75

'Exact Port' (2007) (Peru)


‘Exact Port’ (2007) (Peru)


$699.95


The glow of certain love fills this lovely canvas, drawing the viewer into its joyful warmth. “Beautiful love, perseverant, tranquil, impresses your anxiousness to love with the soul. Your life is filled with a patient love and you smile at life under any circumstance. Little by little you have scaled mountains and grown roses in forgotten terrain. In dry spaces you have planted life and watered your harvest with tears,” poet Mary Torres says in “Exact Door.” Andean artist Andrea brings the poem to life through color. Titled “Puerto certero” in Spanish.

Kant and the Exact Sciences


Kant and the Exact Sciences


$56.02


Kant sought throughout his life to provide a philosophy adequate to the sciences of his time–especially Euclidean geometry and Newtonian physics. In this new book, Michael Friedman argues that Kant’s continuing efforts to find a metaphysics that could provide a foundation for the sciences is of the utmost importance in understanding the development of his philosophical thought from its earliest beginnings in the thesis of 1747, through the "Critique of Pure Reason," to his last unpublished writings in the "Opus postumum." Previous commentators on Kant have typically minimized these efforts because the sciences in question have since been outmoded. Friedman argues that, on the contrary, Kant’s philosophy is shaped by extraordinarily deep insight into the foundations of the exact sciences as he found them, and that this represents one of the greatest strengths of his philosophy. Friedman examines Kant’s engagement with geometry, arithmetic and algebra, the foundations of mechanics, and the law of gravitation in Part One. He then devotes Part Two to the "Opus postumum," showing how Kant’s need to come to terms with developments in the physics of heat and in chemistry formed a primary motive for his projected "Transition from the Metaphysical Foundations of Natural Science to Physics." "Kant and the Exact Sciences" is a book of high scholarly achievement, argued with impressive power. It represents a great advance in our understanding of Kant’s philosophy of science.

OPU FEEDER SQUIRREL PROOF


OPU FEEDER SQUIRREL PROOF


$28.8


OPU FEEDER SQUIRREL PROOF

SQUIRREL PROOF FEEDER 2


SQUIRREL PROOF FEEDER 2


$37.08


SQUIRREL PROOF FEEDER 2

SQUIREL PROOF FEEDER 2


SQUIREL PROOF FEEDER 2


$46.73


SQUIREL PROOF FEEDER 2

.CRITTER CHEW PROOF BOWL


.CRITTER CHEW PROOF BOWL


$4.59


.CRITTER CHEW PROOF BOWL

Glue,Super Goof Proof


Glue,Super Goof Proof


$3.99


GLUE,SUPER GOOF PROOF

Beer is Living Proof


Beer is Living Proof


$19.99


Beer is Living Proof – Masterprint

Rabbit Proof Fence


Rabbit Proof Fence


$19.99


Rabbit Proof Fence – Poster

Cov Girl Exact Eyelights Masc(Pack of 18)


Cov Girl Exact Eyelights Masc(Pack of 18)


$27.3


Cov Girl Exact Eyelights Masc – Exact Eyelight Wp Black Pearl

Cov Girl Lash Exact Mascara(Pack of 18)


Cov Girl Lash Exact Mascara(Pack of 18)


$24.7


Cov Girl Lash Exact Mascara – Lash Exact Mascara Brown

Full Proof of the Ministry: A Sequel to the Boy Who Was Trained Up to Be a Clergyman


Full Proof of the Ministry: A Sequel to the Boy Who Was Trained Up to Be a Clergyman


$25.31


This is an EXACT reproduction of a book published before 1923. This IS NOT an OCR’d book with strange characters, introduced typographical errors, and jumbled words. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.

No.UL916 The Proof Of The Pudding


No.UL916 The Proof Of The Pudding


$29.37


Never forget – The proof of the pudding is in the eating!

Bullet Proof Tyres


Bullet Proof Tyres


$24.99


Bullet Proof Tyres – Photographic Print

Sylvester, Living Proof


Sylvester, Living Proof


$124.99


Sylvester, Living Proof – Wall Mural

Gutenberg with Page Proof


Gutenberg with Page Proof


$34.99


Gutenberg with Page Proof – Giclee Print

Beer is Living Proof Irish


Beer is Living Proof Irish


$19.99


Beer is Living Proof Irish – Masterprint

Man-Proof, 1938


Man-Proof, 1938


$34.99


Man-Proof, 1938 – Giclee Print

.Kaytee Exact Handfeeding Formula (5-lb bag)


.Kaytee Exact Handfeeding Formula (5-lb bag)


$23.08


.Kaytee Exact Handfeeding Formula (5-lb bag)

.Kaytee Exact Rainbow Parakeet Food (2-lb bag)


.Kaytee Exact Rainbow Parakeet Food (2-lb bag)


$46.86


.Kaytee Exact Rainbow Parakeet Food (2-lb bag)

KAY FOOD EXACT TIEL VEG NAT 2#


KAY FOOD EXACT TIEL VEG NAT 2#


$7.71


KAY FOOD EXACT TIEL VEG NAT 2#

Kaytee Exact Original Maintenance Parrot (25-lb bag)


Kaytee Exact Original Maintenance Parrot (25-lb bag)


$63.48


Kaytee Exact Original Maintenance Parrot (25-lb ba

KAY FOOD EXACT PRRT VEG NAT 2#


KAY FOOD EXACT PRRT VEG NAT 2#


$8.86


KAY FOOD EXACT PRRT VEG NAT 2#

.Kaytee Exact Original Cockatiel Food (3-lb bag)


.Kaytee Exact Original Cockatiel Food (3-lb bag)


$65.93


.Kaytee Exact Original Cockatiel Food (3-lb bag)

.Kaytee Exact Rainbow Cockatiel Food (3-lb bag)


.Kaytee Exact Rainbow Cockatiel Food (3-lb bag)


$69.21


.Kaytee Exact Rainbow Cockatiel Food (3-lb bag)

.Kaytee Exact Rainbow Rabbit Food (4-lb bag)


.Kaytee Exact Rainbow Rabbit Food (4-lb bag)


$70.48


.Kaytee Exact Rainbow Rabbit Food (4-lb bag)

EXACT RAINBOW CANARY/FINCH 2 POUND


EXACT RAINBOW CANARY/FINCH 2 POUND


$7.85


EXACT RAINBOW CANARY/FINCH 2 POUND

Exact Vellum Bristol Multipurpose Paper


Exact Vellum Bristol Multipurpose Paper


$7.99


250 / Pack 67 lb 82211 92% Exact Vellum Bristol exudes value. This superb, fast-drying, high-yield paper is perfect for all types of medium to heavyweight applications especially direct mail, greeting cards and business reply cards. If you need a high-quality piece that will be stamped, folded, tipped in or hand-delivered, Exact Vellum Bristol is the right choice. Exact Inkjet Laser Letter Letter 8.50″ x 11″ Multipurpose Paper Vellum Vellum Bristol Vellum Bristol Multipurpose Paper Wausau Paper Corp. White www.wausaupaper.com

The Proof House


The Proof House


$10.84


After years spent in the saps under the defenses of the apparently impregnable city of Ap’Iscatoy, Bardas Loredan, sometimes fencer-at-law and betrayed defender of the famed Triple City, is suddenly hero of the Empire. His reward is a boring administrative job in a backwater, watching armor tested to destruction in the Proof House. But the fall of Ap’Iscatoy has opened up unexpected possibilities for the expansion of the Empire into the land of the Plains people, and Bardas Loredan is the one man Temrai the Great, King of the Plains tribes, fears the most. "The Proof House "is the gripping, hugely entertaining conclusion of K.J. Parker’s Fencer Trilogy.

Exact Rainbow Food For Guinea Pigs


Exact Rainbow Food For Guinea Pigs


$7.3


Kaytee Exact Rainbow For Guinea Pigs Is A Revolutionary Product Designed Especially For Your Pet Guinea Pig. Exact Rainbow Is A Specially Extruded (Not Pelleted) Product. Be sure to discard any uneaten portions daily. Product is made with Dehydrated Alfalfa Meal, Wheat Middlings, Ground Oats, Soybean Meal, Ground Corn, Ground Wheat, Dried Cane Molasses, Soy Oil, Dicalcium Phosphate, Calcium Carbonate, Salt, Potassium Chloride, Etc.Size:  11 x 6.25 x 4.75

Sanford Vision Exact Rollerball Pen


Sanford Vision Exact Rollerball Pen


$1.99


0% 0.70 mm 1 Each 6.08 oz 60634 Vision Exact Rollerball Pen offers a clear grip area to display the amount of ink inside. Exclusive Uni-flow ink system delivers smooth, consistent writing. Durable, precision needlepoint performs under pressure. Barrel color indicates ink color. Blue Clear No Rollerball Pen Rubber Grip Sanford Sanford, L.P. Vision Vision Exact Rollerball Pen www.sanford.com

Exact Constants in Approximation Theory


Exact Constants in Approximation Theory


$80.26


No Synopsis Available

The Correct Spelling and Exact Meaning


The Correct Spelling and Exact Meaning


$14.67


"Jones can be stunning, effortlessly finding the right tone."–"The Village Voice" Richard Jones examines the details of daily life as though through a child’s eyes, taking in every wondrous moment as if time were nonexistent, yet with the intensely painful understanding that the elemental world of the family is fleeting. Jones, who is strongly influenced by Rilke and Keats, is a master of metaphor who can transform mundane things into sacred objects. Richard Jones is the author of ten books of poetry and criticism and founding editor of the literary magazine "Poetry East." He teaches at DePaul University in Chicago.

The Exact Sciences in Antiquity


The Exact Sciences in Antiquity


$7.37


One of the foremost workers in the area of premodern science presents the standard nontechnical coverage of Egyptian and Babylonian mathematics and astronomy and their transmission into the Hellenistic world, including the especially interesting, surprising sophistication of Babylonian mathematics. 52 figures.

Characterology - An Exact Science


Characterology – An Exact Science


$42.37


Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.

The Exact Same Moon


The Exact Same Moon


$21.47


This book is in Used condition

The Exact Location of the Soul


The Exact Location of the Soul


$11.25


This book is in New – Excellent condition

The Exact Image of Mother


The Exact Image of Mother


$12.5


This book is in Good Used condition

Exact Point Count


Exact Point Count


$35


This book is in Used condition

CTA 3 Pc. 12-Pt. Triple Square Tamper Proof Long Shaft Wrench Set


CTA 3 Pc. 12-Pt. Triple Square Tamper Proof Long Shaft Wrench Set


$40.95


Service fasteners on VW, Audi, Porsche and some Detroit Diesel 2-piece design for high torque applications Precision machined for exact fit 1/2? square drive 5? long   Sizes Included: 14mm 16mm 18mm

Love's Proof


Love’s Proof


$3.95


In Victorian England, Jane Fellowes searches for the truth behind Newton’s Box–which may in fact contain proof of the existence of God. Tension mounts as those who touch the box suffer strange, unexplained bouts of illness. As Jane and scientist Thomas Norcross pursue the mysterious box and seek to unmask its secrets, they discover that the strongest evidence is found in the heart, where faith and love reside.

The Moment of Proof


The Moment of Proof


$3.94


When Archimedes, while bathing, suddenly hit upon the principle of buoyancy, he ran wildly through the streets of Syracuse, stark naked, crying "eureka " In The Moment of Proof, Donald Benson attempts to convey to general readers the feeling of eureka–the joy of discovery–that mathematicians feel when they first encounter an elegant proof. This is not an introduction to mathematics so much as an introduction to the pleasures of mathematical thinking. And indeed the delights of this book are many and varied. The book is packed with intriguing conundrums–Loyd’s Fifteen Puzzle, the Petersburg Paradox, the Chaos Game, the Monty Hall Problem, the Prisoners’ Dilemma–as well as many mathematical curiosities. We learn how to perform the arithmetical proof called "casting out nines" and are introduced to Russian peasant multiplication, a bizarre way to multiply numbers that actually works. The book shows us how to calculate the number of ways a chef can combine ten or fewer spices to flavor his soup (1,024) and how many people we would have to gather in a room to have a 50-50 chance of two having the same birthday (23 people). But most important, Benson takes us step by step through these many mathematical wonders, so that we arrive at the solution much the way a working scientist would–and with much the same feeling of surprise. Every fan of mathematical puzzles will be enthralled by The Moment of Proof. Indeed, anyone interested in mathematics or in scientific discovery in general will want to own this book.

Wausau Paper Exact Index Paper


Wausau Paper Exact Index Paper


$9.99


0% 250 / Pack 49161 90 lb Acid-free Heavyweight Copiers Exact Index Paper offers a uniform, smooth surface that enhances ink holdout and printability. Durable paper provides excellent bulk. Ideal for brochures, covers, tabs, file folders and business forms. Acid-free paper is compatible with laser printers, inkjet printers, copiers and offset machines. Exact Index Paper Green Index Paper Inkjet Laser Letter Letter 8.50″ x 11″ No Smooth Wausau Paper Wausau Paper Corp. www.wausaupaper.com

A Ball of Storm Proof Cotton


A Ball of Storm Proof Cotton


$79.99


A Ball of Storm Proof Cotton – Premium Photographic Print

Johannes Gutenberg Examining a Proof


Johannes Gutenberg Examining a Proof


$39.99


Johannes Gutenberg Examining a Proof – Giclee Print

Grindhouse -Death Proof


Grindhouse -Death Proof


$49.99


Grindhouse -Death Proof – Lamina Framed Poster

Your Mind Is Burglar-Proof


Your Mind Is Burglar-Proof


$14.99


Your Mind Is Burglar-Proof – Premium Poster

Wind-Proof Refillable Cigarette Lighter


Wind-Proof Refillable Cigarette Lighter


$7.47


This cigarette lighter is wind proof.

Proof of Life


Proof of Life


$5.75


“CSI investigator Shanna Dawson has never forgiven herself for the long-ago disappearance of her little sister, Skylar. For fourteen years there have been no leads–or proof of life. Until now. Until Skylar’s>fingerprints implicate her in a murder at a fraternity house. Shanna is desperate to find the young woman. And so is handsome campus cop Quinn Murphy–the victim’s half brother. But as their team investigation leads to an unexpected closeness and the revelation of family secrets, Shanna prays that her sister is innocent. And that the real killer is caught before Quinn is hurt, or Skylar is lost forever.”

Monster's Proof


Monster’s Proof


$7.79


Livey Ell is the only normal person in a family of geniuses. She’s a cheerleader with an absentminded professor father and a math genius of a little brother and she’s sure that life couldn’t get any weirder than it already is. But when her little brother Darby brings his childhood imaginary friend Bob to life through a mathematical proof things start to get really strange. Bob a creature of pure math hates chaos and disorder in any form. And as his power grows stronger he becomes determined to fix our disorderly world in any way possible. But that’s not the only danger. People know that Bob is in our world — including a top-secret government organization that wants to control him and a cult of Pythagoreans who worship him. Now Livey and Darby will need all the help they can get to stop him — before the world as we know it is changed forever. Monster’s Proof is a horror novel that brings together pure mathematics with adventure humor romance and some of the most original characters you’ll ever meet.

Soul Proof


Soul Proof


$19.7


Imagine how wonderful life would be if you REALLY KNEW–without a doubt–that no one really dies. Think of how your life would change for the better if you were convinced that life is a totally safe and magnificent adventure amidst eternity. Consider how reassuring it would be if irrefutable evidence proved we each are indestructible spiritual beings having a temporary earthly experience. "Soul Proof" by Dr. Mark Pitstick provides that proof. Bernie Siegel, M.D., wrote a long and fascinating forward. Exclusive contributions were made by esteemed researchers and teachers Drs. Wayne Dyer, Raymond Moody, Brian Weiss, Ken Ring, and others. Nine categories of proof include scientific, clinical, religious, and firsthand evidence that we each really are immortal souls who are forever one with Creator. This knowledge supplants our faith and helps us cope–and even thrive–despite common challenges like deaths of loved ones, aging, loss of relationships, financial reversals, serious illness and disability, abuse, and so on. Dr. Pitstick’s book provides the ‘good news that sets us free’, that helps us trust this wonderful and mysterious journey on earth. "Soul Proof" allows us to be bright beacons of hope, love, and courage no matter what our outer circumstances.

The Proof of the Honey


The Proof of the Honey


$14.67


A bestseller throughout the Arab world, a tribute to sex, eroticism, language and liberty, "The Proof of the Honey" is a superb celebration of female pleasure. A Syrian scholar working in Paris is invited to contribute to a conference on the subject of classic erotic literature in Arabic. The invitation provides occasion for her to evoke memories from her own life, to exult in her personal liberty, her lovers, her desires, and to revisit moments of shared intimacy with other women as they discuss life, love, and sexual desire. Far more than an erotic novel, "The Proof of the Honey" is a surprising and illuminating voyage into the history of Arabic literature. Borrowing inspiration from "The Thousand and One Nights," erudite asides are woven into the fabric of the protagonist’s story and the stories of her lovers. Affirming that "Arabic is the language of sex," and making desire the source of her own personal liberty, Al Neimi has written a stirring novel about the place afforded sex in modern Arabic society and its relationship to the long, rich tradition of Arabic erotica.

Godel's Proof


Godel’s Proof


$23.94


In 1931 Kurt Godel disrupted some of the fundamental assumptions underlying mathematics and logic with the publication of his revolutionary paper, "On Formally Undecidable Propositions of Principia Mathematica and Related Systems". Ironically, few mathematicians of the time were able to understand the young scholar’s complex proof, and the full importance of this work was largely overlooked for many years. Godel was at last recognized by his peers and presented with the first Albert Einstein Award in 1951 for achievement in the natural sciences — the highest honor of its kind in the United States. The award committee, which included Albert Einstein and J. Robert Oppenheimer, described his work in as "one of the greatest contributions to the sciences in recent times". In Godel’s Proof Ernest Nagel and James Newman provide a readable and non-technical explanation for both scholars and non-specialists of the main ideas and broad implications of Godel’s theory. First published in 1958 and in print continuously since then in 10 languages, this highly popular, seminal work offers every educated person with a taste for logic and philosophy the chance to understand a previously difficult and inaccessible subject.

Mens Exact Science Tee - Exact Science Atomic Bomb T-Shirt


Mens Exact Science Tee – Exact Science Atomic Bomb T-Shirt


$18.99


Online Exclusive! This is your head… This is your head on music. The Atomic Tee is like a PSA for all the recording industries out there because this shirt comes with a killer graphic. Exact Science hit their mark direct with a mushroom cloud of music echoing through the record spinning round where head used to be. Its safe to say this suit will never be the same. Solid color body. Blank, unmarked back. Regular fit tee (classic). 19.5″ shoulder, 29″ length. Medium shown and measured.

Hacker Proof


Hacker Proof


$3.95


Hacker Proof: The Ultimate Guide to Network Security provides a detailed examination of the security concepts network administrators, programmers, and Webmasters must know. The first edition was the original Hacker book and now the updated second edition is even better Nonprogrammers will readily understand security threats and the steps they must perform to prevent them. Programmers will be thrilled with the detailed programming examples that demonstrate how hackers penetrate the most secure computer systems, The book’s companion CD-ROM includes software users can run to test their system’s security and look at hacker scenarios.

Solomon's Proof


Solomon’s Proof


$28.18


In "Solomon’s Proof," Rashan Barcus chronicles the life and teachings Michael Solomon, a brilliant former Stanford anti-war activist now Rocky Mountain yoga teacher, who claims to be the one prophesied by all religions–and says he can prove it. Indeed, he offers a scientific proof for his assertions at SolomonsProof.com, which encompasses the convergence of science and spirituality, proof of the Big Bang and String theories, the appearance of the World Teacher, the unity of all religions, and the next step in human evolution. From a serendipitous meeting in a Boulder, Colorado, bookstore 33 years ago to 9-11 and beyond, Barcus chronicles his relationship with the sometimes outrageous but always compelling Avatar, whose favorite subjects range from the distortions of the "New Testament" to the similarities of theoretical physics and spiritual teachings, and from the politics of the theatre to the theatre of political action. In addition, Solomon draws a parallel between the two greatest literary thefts in history, those of Jesus and "Shake-speare," which are reconciled in a dream by Barcus in the form of a full-length Shakespearean comedy, "The Bard’s Ghost" (included as an appendix). From Nikos Kazantzakis’ "The Last Temptation of Christ" to Norman Mailer’s "The Gospel According to the Son" and from Robert Heinlein’s "Stranger in a Strange Land" to Richard Bach’s "Illusions: The Adventures of a Reluctant Messiah" a host of modern writers have explored the possibilities of an Avatar’s life and thoughts outside of the selective composite document called the "New Testament." Is Barcus dancing with the devil or present at the birth of an historical turning point? Note: The Hebrew wordthat appears on the cover, spine, and headers of this book is "Hashlamah," which means conciliation, integration, or completion, depending on the context. It is derived from the same root word as Shalom and Solomon.]

BORGHESE Artista Exact Match Concealer


BORGHESE Artista Exact Match Concealer


$30


BORGHESE Artista Exact Match Concealer provides multiple shades, multiple coverage options. This concealer kit provides three shades which allow you to mix and blend to any complexion shade. Coverage can vary from medium to heavy allowing you to conceal dark under-eye circles, blemishes and other skin imperfections. Repels against water to allow flawless wear. Mix shades to your complexion needs. Apply concealer with brush. Pat with fingertip or sponge to blend and set. Follow with powder as needed. It’s recommended to use with BORGHESE Shadow Milano Trio BORGHESE Eye Accento Pencil Directions: Mix shades to your complexion needs. Apply BORGHESE Artista Exact Match Concealer with brush. Pat with fingertip or sponge to blend and set. Follow with powder as needed. Net Weight: 0.3 oz.

Exact Rainbow Food For Canary/Finch


Exact Rainbow Food For Canary/Finch


$7.6


Kaytee Exact Rainbow Is A Nutritious Bird Food Developed to Provide the Highest Quality Ingredients with Added Nutrients. Be sure to discard any uneaten portions daily. Product is made with Ground Corn, Ground Oat Groats, Ground Wheat, Wheat Middlings, Corn Gluten Meal, Dried Whole Egg, Dried Beet Pulp, Corn Oil, Fish Meal, Corn Sugar, Calcium Carbonate, Wheat Germ Meal, Dicalcium Phosphate, Etc.Size:  10 x 5.25 x 4.25

Proof Of Atlantis


Proof Of Atlantis


$10.39


Plato had written about the mythical continent of Atlantis and his writings indicated the people of Atlantis had buried the records of their continent and culture in several places in the world when they learned their continent was about to be destroyed. Proof of Atlantis is an action adventure about a construction manager, Matt McKay, who finds these long lost records in the foothills of the Himalayas and realizes they contains knowledge more advanced than our own. Devious people in the United States, Russian and Chinese Governments learn of his discover and each set out to take the records from him. Matt soon finds himself running for his life; having to over coming one deadly obstacle after another. He smuggles the records half way around the world before his flight comes to a head on an island not far where the odyssey of the records had began some sever thousand years before.

Exact Multipurpose Pastel Color Paper


Exact Multipurpose Pastel Color Paper


$8.99


20 lb 30% 32542 5000 / Carton 5000 x Sheet Standard 3-hole punched (5/16″ hole diameter) This paper ideal for announcements and bulletins to flyers, newsletters and reports. This paper delivers high quality performance on inkjet and laser printers, copiers and offset presses. Laser and inkjet guaranteed. Exact Inkjet Laser Legal Legal 8.50″ x 14″ Multipurpose Paper Multipurpose Pastel Color Paper Smooth Wausau Paper Corp. Yellow Yes www.wausaupaper.com

Exact Parrot Rainbow Food - 20lbs


Exact Parrot Rainbow Food – 20lbs


$50.8


The Exact Parrot Rainbow Formula Combines the Hightest Quality Ingredients with Added Nutrients In A Special Pasteurizing Process to Produce An Enticing Rainbow of Life-Like Colors and Shapes. Feed as part of a normal diet. Product is made with Ground Corn, Ground Wheat, Ground Oat Groats, Wheat Middlings, Corn Gluten Meal, Dried Whole Egg, Dried Beet Pulp, Corn Oil, Soybean Meal, Corn Sugar, Dicalcium Phosphate, Calcium Carbonate, Wheat Germ Meal, Dried Cane Molasses, L-Lysine, Salt, Etc.Size:  20lbs

Exact Handfeeding Formula For Baby Birds


Exact Handfeeding Formula For Baby Birds


$3.8


Exact Hand-Feeding Formula Is A Nutritious Diet Made Through A Special Process Producing Low Bacteria Levels. It Helps Birds Grow Faster, Wean Earlier and Develop Better, Brighter Plumage. Use on a Daily basis. Make Sure there Is Always Clean Food. Product is made with Ground Corn, Corn Gluten Meal, Ground Oat Groats, Ground Wheat, Wheat Middlings, Corn Oil, Dried Whole Egg, Soy Protein Isolate, Dried Beet Pulp, Dicalcium Phosphate, Calcium Carbonate, L-Lysine, Wheat Germ Meal, Brewers Dried Yeast, Corn Sugar, Etc.

Exact Parrot Chunk Food - 20lbs


Exact Parrot Chunk Food – 20lbs


$50.8


The Exact Parrot Chunks Combines the Highest Quality Ingredients with Added Nutrients In A Special Pasteurizing Process to Produce An Enticing Rainbow of Life-Like Colors and Shapes. Feed as part of a normal diet. Product is made with Ground Corn, Ground Wheat, Ground Oat Groats, Wheat Middlings, Corn Gluten Meal, Dried Whole Egg, Dried Beet Pulp, Corn Oil, Soybean Meal, Corn Sugar, Dicalcium Phosphate, Calcium Carbonate, Wheat Germ Meal, Dried Cane Molasses, L-Lysine, Salt, Etc.Size:  20lbs

Exact Rainbow Chunky Food For Parrots


Exact Rainbow Chunky Food For Parrots


$9.7


Kaytee Exact Rainbow Is A Nutritious Bird Food That Provides All the Nutrients Proven Necessary For Macaws, Cockatoos, All Parrots, Eclectus, Pionus and Large Conures. Be sure to discard any uneaten portions daily. Product is made with Ground Corn, Ground Wheat, Ground Oat Groats, Wheat Middlings, Corn Gluten Meal, Dried Whole Egg, Dried Beet Pulp, Corn Oil, Soybean Meal, Corn Sugar, Dicalcium Phosphate, Calcium Carbonate, Wheat Germ Meal, Dried Cane Molasses, Salt, L-Lysine, Etc.

Deka AGM Exact Fit Battery


Deka AGM Exact Fit Battery


$199.95


Today’s automotive manufacturers are increasing their standard for replacement batteries worldwide. Batteries must not only meet specific power ratings, they also have to match cover designs, dimensional configurations, case hold-down requirements and critical venting systems to comply with strict original equipment requirements. The Deka Exact Fit Battery helps take the worry out of meeting these strict standards. The battery is especialy designed to meet specialized needs while providing an exact fit for imports and domestic vehicles. The Deka AGM Performance battery will fit many European & Domestic vehicles including: Audi, BMW, Chrysler, Jaguar, Mercedes Benz, Mini, Porsche, Saab, Volkswagen, Volvo and many other vehicle makes! Features: Meets OEM AGM requirements for exact fit replacement. Electrolyte absorbed by micro-porous glass separators eliminates acid spills and terminal corrosion. Tightly "packed" construction and calcium reinforced grids provide greater resistance to shock and vibration. Provides plenty of starting power at lower temperatures. True maintenance-free performance means longer life with hassle-free service. Superb dual purpose design delivers excellent starting and accessory power. High porous separators lowers resistance and increases power. Specifications: Cranking Amps: 1035 Cold Cranking Amps: 850 Reserve Capacity: 180 Ah Rate (20 Hr): 95 Part Number: 9AGM49 Dimensions: 13 16/15" L x 6 15/16" W x 7 1/2" H SHIPPING: No 2nd Day Air Available!

Proof Of God


Proof Of God


$3.99


In Girl Trouble acclaimed writer Holly Goddard Jones examines small-town Southerners aching to be good even as they live in doubt about what goodness is. A high school basketball coach learns that his star player is pregnant–with his child. A lonely woman reflects on her failed marriage and the single act of violence years buried that brought about its destruction. In these eight beautifully written achingly poignant and occasionally heartbreaking stories the fine line between right and wrong good and bad love and violence is walked over and over again. In "Good Girl " a depressed widower is forced to decide between the love of a good woman and the love of his own deeply flawed son. In another part of town and another time thirteen-year-old Ellen the central figure of "Theory of Realty " is discovering the menaces of being "at that age": too old for the dolls of her girlhood too young to understand the weaknesses of the adults who surround her. The linked stories "Parts" and "Proof of God" offer distinct but equally correct versions of a brutal crime–one from the perspective of the victim’s mother one from the killer’s. Written with extraordinary empathy and maturity and with the breadth and complexity of a novel Jones’s stories shed light on the darkness of the human condition.

Proof: A Play


Proof: A Play


$4.68


Winner of the Pulitzer Prize One of the most acclaimed plays of the 1999-2000 season, "Proof "is a work that explores the unknowability of love as much as it does the mysteries of science. It focuses on Catherine, a young woman who has spent years caring for her father, Robert, a brilliant mathematician in his youth who was later unable to function without her help. His death has brought into her midst both her sister, Claire, who wants to take Catherine back to New York with her, and Hal, a former student of Catherine’s father who hopes to find some hint of Robert’s genius among his incoherent scribblings. The passion that Hal feels for math both moves and angers Catherine, who, in her exhaustion, is torn between missing her father and resenting the great sacrifices she made for him. For Catherine has inherited at least a part of her father’s brilliance — and perhaps some of his instability as well. As she and Hal become attracted to each other, they push at the edges of each other’s knowledge, considering not only the unpredictability of genius but also the human instinct toward love and trust.

Boy Proof


Boy Proof


$3.95


What happens when an antisocial cinephile meets up with the worldly new guy at school — a quick-witted artist who’s savvy enough to see through her sci-fi disguise? Meet Egg. Her real name is Victoria Jurgen, but she’s renamed herself after the kick-ass heroine of her favorite sci-fi movie, TERMINAL EARTH. Like her namesake, Egg dresses all in white, colors her eyebrows, and shaves her head. She always knows the right answers, she’s always in control, and she’s far too busy — taking photos for the school paper, meeting with the Science Fiction and Fantasy Club, and hanging out at the "creature shop" with her dad, the special-effects makeup wizard — to be bothered with friends, much less members of the opposite sex. As far as Egg is concerned, she’s boy proof, and she likes it that way. But then Egg meets a boy named Max, a boy who’s smart and funny and creative and cool . . . and happens to like Egg. Could this be the end of the world — at least as Egg knows it?