单项选择题
Nylon line is better suited than manila for（）.
A.Towing alongside
B.Towing astern
C.Holding knots and splices
D.Resisting damage from chemicals
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相关考题
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单项选择题
Neglecting friction，you desire to lift a 300 kgs weight with a stress on the hauling part of 100 kgs.Which of the following tackles would you use（）.
A.Gun tackle
B.Luff tackle
C.Two-fold tackle
D.Double-luff tackle -
单项选择题
Manila slings should not be used to load（）.
A.cotton
B.lumber
C.steel
D.tires -
单项选择题
Instead of whipping an end of a line，a temporary means of preventing the line from unraveling is to tie a（）.
A.becket bend
B.blackwall hitch
C.figure-eight knot
D.square knot
