Repairing damage to the hull at or above the waterline reduces the threat of（）.

Point out which one of the following items is not in the charge of Chief Officer in repairing operation（）.

If the Certificate of Inspection of a damaged tank barge has expired，which certificate may be issued to allow its movement to a repair facility?（）

The Loran needs（）.

The required fireman’s outfits required for ship’s are not to be used for any other purpose EXCEPT for the（）.

Manifest and cargo plan are the two most important shipping papers required for（）.

The two factors which make underwater hull repair difficult are accessibility and the（）.

In comparison to electric power，hydraulic power for jacking systems has the advantage of（）.

The radio technician will come aboard（）the repairs.

I hereby request permission to（）the ship hull for routine maintenance.