Answer:-
The frequency multiplier in the NIOSH lifting equation adjusts the recommended weight limit (RWL) based on how often a lifting task is performed. It considers the number of lifts per minute over a set time. When lifting occurs more frequently, the body experiences more strain, so the multiplier reduces the RWL to ensure safety. For instance, a task performed 15 times per minute will have a lower multiplier compared to one done only once per hour. This adjustment helps prevent overexertion and reduces the risk of injury, making it a crucial factor in workplace ergonomics.
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