單項選擇題

A （）is at the end of the cargo runner for picking up the load.

A.sling
B.hook
C.block
D.tackle

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單項選擇題

The （）is fixed at the bottom of the derrick.

A.gooseneck
B.block
C.derrick step
D.crane

單項選擇題

The （）is pumped onto the ship at the loading port by shore pumps.

A. oil
B. gas
C. water and fuel
D. timber