Deck : Deck General - 383/5076
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| The signal man assisting a crane operator has his arm extended, thumb pointing downwards, flexing fingers in and out. This is the signal to __________. |
| A) raise the boom and lower the load |
| B) lower the boom and raise the load |
| C) lower the load and raise the boom |
| D) raise the load and lower the boom |
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