A notice of readiness is not valid unless it indicates that the vessel is ready to load or discharge as the case may be，at the time（）it is given.

In automatic （） the winch may be overhauled and wire is paid off the barrel at a pre-determined maximum tension.

At night while the ship is tied up to the dock，a fire breaks out in a cargo hatch. After sounding the alarm，what should the person on watch do?（）

-Why do you stop working? - The winch is （）.

The winch at hatch No.3 is（）trouble.

The winch at Hatch No.3 is（）trouble.

Course directed by the OSC or CSS to be steered at the beginning of a search is（）.

Course directed by the OSC or CSS to be steered at the beginning of a search is（）.

Course directed by the 0SC or CSS to be steered at the beginning of a search is（）.

Sometimes lights are（）by fog，haze，dust，smoke，or precipitation which may be present at the light，or between the light and the observer，and which is possibly unknown by the observer.

Regulations require certain records to be retained on board for at least 3 months after a ship is involved in a casualty or until advised that they are no longer needed on board by the （）.

When retrieving the survival craft，the winch operator should stop the winch and check（）.