In regions where ice conditions prevail in the winter，（）.

When liquid is free to move transversely in a tank，the effect is called（）.

The court has the power to（）the time for commencing arbitration proceedings if it is of the opinion that in the circumstances of the case undue hardship would otherwise be caused.

You are making tow.A loaded，open-hopper barge with independent tanks has placards，with alternating red and white quadrants，located at each side and end.You inspect the barge and find slight traces of water in the wing voids due to condensation.What（）.

Preferred channel marks are aids to navigation which all following marks other than（）．

The approach to the roads and harbor from the（）entails no difficulty.

Which instrument is used to predict the approach of a low pressure system（）.

In the absence of a route leading from seaward，the conventional direction of buoyage generally follows（）.

（）is not a type of IALA maritime buoyage system.

When attempting an upstream landing while pushing empty barges ahead in a hard onshore wind，the approach is best made（）.