单项选择题

The hoist line primarily used for lifting personnel on ship cranes is called the（）.

A.personnel line
B.whip line
C.main hoist line
D.pendant

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单项选择题
The hinge fitting used to attach the boom to the mast is the（）.

A.gooseneck
B.step
C.swivel
D.pintle
单项选择题
The heaviest type pallet is the（）.

A.factory pallet
B.shipping pallet
C.stevedoring pallet
D.warehouse pallet
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