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Why are warning devices less effective than design-in safety precautions?
Wiki User
∙ 13y ago
Warnings require each person to recognize and heed the warning, each and every time they deal with the hazard. Even people who intend to do so will forget from time to time.
Safety precautions that are designed into a machine will work each time, every time (if properly designed, implemented and maintained) without regard to whether the person involved is in top mental form on a given day, or is even able to read.
Wiki User
∙ 13y ago
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