Angular motion about the vertical axis of a vessel is called（）.

A vessel with a small GM will（）.

The KM for a vessel may be determined by which of the following?（）.

For a ship with longitudinal inclination，an increase in GML causes（）.

As a ship moves through the water，it causes a wake，which is also moving forward relative to the sea. In addition to a fore and aft motion，this wake also has a(n)（）.

Broken stowage must be reduced to（）.

Before counterflooding to correct a list，you must be sure the list is due to（）.

Progressive flooding may be indicated by（）.

Bilge keels are more effective at dampening rolls as the（）.

If a vessel takes a sudden，severe list or trim from an unknown cause，you should FIRST（）.