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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The hinge fitting used to attach the boom to the mast is the（）.

A.gooseneck
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The heaviest type pallet is the（）.

A.factory pallet
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The head of the bend is the（）.

A.top or upstream beginning of a bend
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C.midpoint or center radius of a bend
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