单项选择题
Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by（）.
A.increasing the permeability of the pumproom B.reduction of drill water from the storage tanks C.a list caused by water filling the compartment D.a reduced KG caused by water filling the compartment
单项选择题 Fighting a rig fire in a watertight compartment with hoses could reduce the stability of the rig by（）.
单项选择题 Each OSV must carry（）.
单项选择题 Each life preserver must be readily accessible to the person for whom it is intended while he or she is（）.
