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單項選擇題

The size of wire rope is determined by the（）.

A.number of strands
B.number of wires in each strand
C.circumference
D.diameter

單項選擇題

The safest procedure used to rig a guy and preventer is to have the guy（）.

A.and preventer have equal stress
B.stronger than the preventer to minimize the danger of separation
C.take a lighter load than the preventer as a safety factor
D.take the stress in case the preventer parts