Deck_2014 : Deck General - 571/2572
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| How should you signal the crane operator to lower the boom and raise the load? |
| A) Extend arm and point finger in the direction to move the boom. |
| B) Extend arm with thumb pointing downward and flex fingers in and out. |
| C) With forearm vertical and forefinger pointing up, move hand in small horizontal circles. |
| D) With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. |
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