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單項(xiàng)選擇題

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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單項(xiàng)選擇題

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

單項(xiàng)選擇題

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

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Serving is（）.

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Safety goggles or glasses are NOT normally worn when（）.

Manila lines in which the strands are right-hand laid（）.