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Example Set 9


I'd be delighted to receive other commercial product examples. Please feel free to send Suggestions, Additions, Corrections, & Comments


65.

The label shown above is attached to a vibratory bowl that is used to finish steel tools.  In order to create a consistent finish, and to be able to schedule the equipment, it is important that all of the vibratory bowls in the factory have consistent settings and thus consistent performance.  The sticker shown above helps workers to determine if the bowls are operating correctly. The photo on the left was taken with the machine off. The photo on the right was taken with the machine running. Notice that on the fan-shaped figure that  lines labelled 60 and 70 seem less blurry.  This indicates that the “lead angle” of the vibration is between 60 and 70 degrees. Now look at the series of circles running horizontally below the fan-shaped figure.  These show vibration “amplitude.” On the photo at right, you will notice each circle seems to appear twice.  At the circle labelled “2” the two circles created by the vibration do not touch. At “7” the two circles overlap. At “3.5” the circles just touch. This means that the amplitude to 3.5 mm. The label allows the bowls operation to be known easily by any one.

  


66.

 

On the Chevy Avalanche pickup truck,  the cover over the bed comes in sections.  each section is held down by a lever. The levers stick out so that the next section cannot be put in place until the last section has been secured by moving the lever out of the way.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


67.

This copy machine makes sure all the levers are in their proper position before the cover can be closed..

 

 

 

 

 

 

 

 

 

 

 

 

68.

Even the lowly inter-office envelope has some mistake-proofing.  In the photo at right what can you tell about the contents? First that there is something in there, second, that it is smaller than 8.5 x 11 inches, and third it’s white.

Making sure a reusable envelope is empty before you send your memo can save a lot of embarrassment.

 

69.

The devices that are attached to these bottles are liquor control systems. They insure that the right amount of liquor is dispensed for each drink  It also tracks the amount so that receipts can be reconciled with inventory.

 

70.

Medical gas outlets are designed so that the proper valves will only fit in their corresponding outlets. All of the gas valves have a pin at 12 o’clock the other pin differs in location. The second pin for medical air is at 4 o’clock

71.

Incorrect

Correct

My safety harness buckle has a red mark indicating that it has not been locked (incorrect).  When the buckling is complete the red mark is covered.


72.

The rock climbing equipment company, Metolius, produces this “range finder cam.” The cam anchors safety ropes into cracks in the rock.  Notice the green, yellow, and red dots that run along the edge of the cam.  The green dots indicate that the width of the crack is safe for use with this device. Yellow indicates that is cam may be place in the crack for adequate safety but the next larger size cam would be in the green and safer. The red  indicates that the cam is placed in a crack that is too wide and the anchoring of the cam is not safe.

 

 

 

 

 

 

 

 

 


Written permission to use these examples can be obtained by writing a short request with your name and company affiliation. Generally, I am willing to extended permission  free of charge, if you will include a reference to mistakeproofing.com in your document or presentation.

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© 1996-2004  John R. Grout