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Use one hand to give any motion signal ，and place the other hand motionless in front of thehand giving the motion signal Extend arm with the thumb pointing up ，and flex the fingers in and out for as long as theload movement is desired First tap your elbow with one hand and then proceed to use regular signals First tap the top of your head with your fist and then proceed to use regular signals"
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A centerline crane can never be operated in tandem One crane is able to work one end of two adjacent hatches These cranes are more economical and weigh less than outboard-mounted cranes One crane is able to work both sides of the ship"
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the name of the crane operator an entry each time the crane is used date and result of each rated load test the time of day of the test"
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