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Public School Works Practice Exam

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What is the recommended National Institute for Occupational Safety and Health (NIOSH) weight limit for materials handling?
Correct Answer:
51
Explanation:
Manual lifting safety uses a recommended limit from NIOSH to minimize back injuries. The standard guideline sets 51 pounds as the recommended maximum weight for a single-person lift under typical workplace conditions. This limit comes from the NIOSH lifting equation, which considers how far the load is from the body, how high it is lifted, how often and how long the lift occurs, and how well the load can be handled. When loads exceed this limit, the risk of back injury increases unless you use a two-person lift, mechanical assistance, or reduce the weight or frequency of lifting. The other weights don’t reflect this baseline safety limit, so 51 pounds SAMPLEis the best answer.

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