单项选择题
Serving is（）.
A.Marline or ratline wound along the grooves of a rope
B.Narrow strips of light canvas or cotton cloth spiral-wrapped along the rope
C.Marline tightly wound on the rope by means of a board or mallet
D.A splice made by laying the strand of one rope into the vacated grooves of another rope
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相关考题
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单项选择题
Safety goggles or glasses are NOT normally worn when（）.
A.using a rotary grinder with an installed shield
B.letting go the anchor
C.handling wire rope or natural fiber line
D.painting with a spray gun -
单项选择题
Manila lines in which the strands are right-hand laid（）.
A.should be coiled in a clockwise direction
B.should be coiled in a counterclockwise direction
C.may be coiled either clockwise or counterclockwise
D.should never be coiled -
单项选择题
In the manufacture of wire rope，if the wires are shaped to conform to the curvature of the finished rope before they are laid up，the rope is called（）.
A.composite
B.left-lay
C.improved
D.preformed
