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單項選擇題

During operation, the （）should check the working condition of the derrick.

A.foreman
B.operator
C.opener
D.stevedore

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單項選擇題

（）has more than ten percent broken wires. Stop using it at once.

A. The cargo runner
B. The cargo block
C. The derrick sling
D. The lashing wire

單項選擇題

It is flammable cargo. Keep it away from the （）.

A.gangway
B.bow
C.boiler
D.stern

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