A.half the breaking strength of the mooring line
B.the full breaking strength of the mooring line
C.the maximum expected tension of the mooring line
D.50% over the working tension of the mooring line
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A.removed from the anchor chain
B.connected to a buoy at the anchor
C.stripped back to the rig and secured
D.connected to a buoy halfway down the chain
A.keeps the ends from fraying
B.strengthens it
C.protects your hands
D.becomes part of a splice
A.a messenger
B.a stopper for nylon line
C.a U-bolt for securing a cargo whip to the winch drum
D.turns of twine around a rope end
A.boom
B.lift
C.raise
D.tackle
A.riding pawl
B.buckler
C.devil's claw
D.locking ring
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Galvanizing would be suitable for protecting wire rope which is used for（）.
The strongest method of forming an eye in wire rope is using（）.
The main function of the core of a wire rope is to（）.
Chafing gear is normally used（）.
At the instant when a string of casing being run from a ship is landed in the well head,（）.
The size of wire rope is determined by the（）.
A stopper used in securing the ground tackle for sea that consists of a grab attached to a turnbuckle is a（）.
Herringbone is a term associated with（）.
A tackle by which the outer end of a boom is raised and lowered is the topping（）.
The rolling hitch could be used to（）.