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

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

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

（）is on the panel of radar.

（）is where the crew eat their meals.

（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.

The helm command PORT TWENTY means（）.

The company should establish and maintain procedures to control all documents and date which are relevant to（）.

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

The dew point temperature is（）.