You can't make things idiot proof but you have to try. If you lock out something, make sure you are the only one that has a key to the lock. Then make sure that a sign is posted in a prominent place warning everybody that the item is out of service, who placed it out of service and the date and time it was placed out of service. If there is a way to put two locks in place do it.
I know most of you work in small shops or have a one man operation, but occasionally you have visitors and once in a while one of them will be the guy who wonders what will happen if he or she fllips the switch. Remember all the rules in the OSHA Regulations were not written because they thought someone might have a problem. The were written because someone already did have a problem.
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Never try to teach a pig to sing, it wastes your time and annoys the pig.
I do not suffer fools gladly.
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