單項選擇題

The strongest of the natural fiber ropes is（）.

A.Nylon
B.Dacron
C.Manila
D.Sisal

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單項選擇題

The square knot is used for（）.

A.forming temporary eyes in lines
B.joining two lines of equal size
C.keeping line from unlaying or fraying
D.joining two lines of different size

單項選擇題

The rope which is rove from the truck to be used with a bos’n chair is called a（）.

A.gantline
B.life line
C.strop
D.whip