How many operators are needed/required on board according to the provisions of the International Convention for the Safety of Life at Sea,1974?().
A、4 operators
B、3 operators
C、2 operators
D、1 operator
A、4 operators
B、3 operators
C、2 operators
D、1 operator
A、How many shackles are out ? B、How much shackles are out ? C、How much cable is out ? D、How many cable is out ?
A、How much weight is on the cable ? B、How many shackles are left ? C、How much shackles are left ? D、How many weight is on the cable ?