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

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

（）is where the crew eat their meals.

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

What is a CORRECT reply to a pilot’s request, How’s your heading?（）

Which of the following shall not the officers in charge of the navigational watch do?（）

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

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

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

When the wave period and the apparent rolling period are the same（）.