A.revise the operating manual when rig personnel change B.be fully aware of the provisions in the operating manual C.maintain the rig's construction portfolio D.All of the above
单项选择题It is the responsibility of the Master or person in charge of a ship to ensure that().
A.the station bill is posted in each compartment B.temporary personnel and visitors are advised of emergency stations C.names of crew members are listed on the station bill D.no changes are made to the station bill
单项选择题It is the chief mate’s job()the tank cleaning operation.
A.to plan B.planning C.for planning D.in planning