Manoeuvring information can not be obtained from（）.

Shipboard Emergency Drills must be carried out at least（）on board cargo ship.

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

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

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

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

Which of the following is not a form of precipitation?（）

Full details of all lights and fog signals are shown on（）.

（）is on the panel of radar.

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