Before any loading takes place any signs of the previous cargo should do（）.

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

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

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

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

The loading of the ship must be done in accordance with（）.

The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.

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

Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）

Berthing means bringing a vessel to her berth until（）.