Which of the following statements is TRUE regarding crane operations ________．A.Radio communications allow the crane operator to disregard the use of hand signalsB.The crane operators and signalman must be familiar with the correct hand signalsC.The forward cranes can be operated from the bridgeD.The aft cranes can be operated from the aft steering station
Which of the following statements is TRUE regarding crane operations ________．
A.Radio communications allow the crane operator to disregard the use of hand signals
B.The crane operators and signalman must be familiar with the correct hand signals
C.The forward cranes can be operated from the bridge
D.The aft cranes can be operated from the aft steering station
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单选题Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.AA centerline crane can never be operated in tandemBOne crane is able to work one end of two adjacent hatchesCThese cranes are more economical and weigh less than outboard-mounted cranesDOne crane is able to work both sides of the ship
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