A check line is ______．A.A safety line attached to a man working over the sideB.Used to measure water depthC.Used to slow the headway of a bargeD.Used to measure the overhead height of a bridge
A check line is ______．
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
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