A tug is towing three manned barges in line in fog. The first vessel of the tow should sound ().
If more than one raft is manned after the vessel has sunk,you should().
If more than one raft is manned after the vessel has sunk,you should().
What is not accepted as the required shipping paperson a manned and loaded tank barge?().
What is NOT accepted as the required shipping papers on a manned and loaded tank barge? ().
What is NOT accepted as the required shipping papers on a manned and loaded tank barge? ()
Vessels should be manned()duly qualified officers and crew adequate()ensure the safety of navigation.