單項選擇題

A tow bridle is attached to the main tow hawser at the（）.

A.bight ring
B.tow hook
C.fishplate
D.swivel

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單項選擇題

A term used to describe the dip in a towline that acts as a shock absorber is（）.

A.catenary
B.step
C.shock dip
D.bight

單項選擇題

A solution to overcome tripping defects is an arrangement of special plates on either side of the flukes，designed to set them in the correct tripping position. These special plates are called（）.

A.trippers
B.stocks
C.stabilizers
D.palms