The mean draft of a ship is the draft（）.

（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.

（）is where the crew eat their meals.

Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.

Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.

How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）

In the Northern hemisphere northerly winds may cause temperature（）.

According to the relevant regulation, lifeboat should be powered by（）.

What is it called when it is possible to ignite the vapour above the oil?（）

Bales close to the deckhead should be covered to prevent（）.