When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.<br>A:Arch the back to add strength to the muscles<br>B:Bend his knees and lift with his legs<br>C:Bend his back and stoop<br>D:Bend his back and stoop with arms straight

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

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