A tide is called diurnal when（）.

It is dangerous for vessels without the operational radar（）the estuary.

（）is on the panel of radar.

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

（）is where the crew eat their meals.

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

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

Manoeuvring information can not be obtained from（）.

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

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（）.