Final answer:
Heavy items that may require lifting should be stored at waist height to minimize strain and reduce the risk of injuries.
Step-by-step explanation:
Heavy items that may require lifting should be stored at waist height. This is because lifting heavy objects from the waist level requires less strain on the back and is less likely to cause injuries. Storing heavy items at shoulder height or above can increase the risk of accidents and injuries, while storing them at knee or floor level can make it difficult and unsafe to lift them.
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