单项选择题
A.prevents anyone from working the cargo at unauthorized times B.is a safety measure in case one of the outboard guys parts C.is a longshoreman who watches for accidents D.is the same as a blacksmith
A piece of small stuff (small line) secured to an objec...
单项选择题A piece of small stuff (small line) secured to an object to prevent it from going adrift is a（）.
A.lanyard B.keeper C.noose D.stopper
A new coil of nylon line should be opened by（）.A.pullin...
单项选择题A new coil of nylon line should be opened by（）.
A.pulling the end up through the eye of the coil B.taking a strain on both ends C.uncoiling from the outside with the coil standing on end D.unreeling from a spool
A mooring buoy，if lighted，shows which color light?（）A.Y...
单项选择题A mooring buoy，if lighted，shows which color light?（）
A.Yellow B.White C.Blue D.Any color except red or green
