A.be a stopper B.shorten a line C.join lines of equal size D.keep a line from passing through a sheave
A.there are fifteen pounds of CO2 in the container B.the container,when full,weighs fifteen pounds C.the pressure at the discharge nozzle is l5 psi D.the empty container weighs fifteen pounds
A.a safety line attached to a man working over the side B.used to measure water depth C.used to slow the headway of a barge D.used to measure the overhead height of a bridge