单项选择题
Where is the most probable location of the remote shutdown station for cargo pumps on a tank barge carrying oil（）.
A.The loading dock B.The midpoint of the barge C.Within 25 feet of the pump engine D.Above the forward rake end
单项选择题 When viewed from above，the best position for the guy in relation to the boom is（）.
单项选择题 When using slings，cargo handlers should take all the following precautions except（）.
单项选择题 When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.
