A.a light sail B.a topmast stay C.a sheet D.standing rigging
A.keep a line from fraying B.join lines of unequal size C.stop off a line D.shorten a line
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