Deck : Deck General - 606/5076
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| How should you signal the crane operator to lower? |
| A) Extend arm with thumb pointing downward, and flex fingers in and out. |
| B) Extend arm and point finger in the direction to move the boom. |
| C) With arm extended downwards and forefinger pointing down, move hand in small horizontal circles. |
| D) With forearm vertical and forefinger pointing up, move hand in small horizontal circles. |
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