When instructing a crew member concerning the right way to lift a weight,you would instruct him to().

A . Arch the back to add strength to the muscles B . Bend his knees and lift with his legs C . Bend his back and stoop D . Bend his back and stoop with arms straight

时间:2022-11-10 19:18:23 所属题库:货物装卸货作业题库

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