Duration 02
Duration 02 : General. Duration mean different things under different circumstances. Typically, duration will refer to the length of time a person performs a task, or is exposed to a specific risk factor, without a period of rest. It may, however, be used to describe the amount of time during a shift a task is performed (e.g. 4 hours per shift). Duration may also be measured in seconds or minutes when describing the amount of time a person will exert a forceful effort (e.g. when gripping a tool or performing a pinch grip). Generally speaking, the longer the duration of exposure to a risk factor the greater the likelihood of a negative outcome
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