Cleaning holds are to clean hold from ().
A、fore to aft
B、aft to fore
C、left to right
D、right to left
A、fore to aft
B、aft to fore
C、left to right
D、right to left
A、Cleaning, painting and repairing work are known as sailor’s work. B、Cleaning, painting and repairing work are known as maintenance work. C、Painting, repairing and cleaning work are known as maintenance work. D、Cleaning, painting and repairing work are known as daily work.
A、Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned B、The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank C、The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue D、Steam cleaning and water washing are both capable of generating electrostatic charges within a tank
A、Washing water should be recirculated if possible because it has the same electric potential as the cargo tank being cleaned B、The hoses to portable cleaning machines should be disconnected before the machines are removed from the tank C、The principal hazard with steaming cargo tanks is raising the ambient temperature above the flame point of the cargo residue D、Steam cleaning and water washing are both capable of generating electrostatic charges within a tank