Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.

If dangerous goods have been thrown overboard by the Shipowner or the master，（）can be made liable for their loss.

Because the castings of smaller engines are not so big and heavy, （） and cylinder block may be made in one piece.

For one or two types of engine, the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through the （）.

For one or two types of engine,the piston and rod can be withdrawn downwards from the cylinder into the crankcase and then out through （）.

The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）

DSC distress relays can be transmitted by either（）or（）.

（） can be found on most medium to large merchant vessels even if the main engine is either a steam turbine or 2-stroke crosshead engine.

RULE III. EXTINGUISHING FIRE ON SHIPBOARD: Damage done to a ship and cargo, or either of them, by water or otherwise, including damage by beaching or scuttling a burning ship, in extinguishing a fire on board the ship, shall be made good as general average; except that no compensation shall be made for damage by smoke or heat however caused. 根据以上条款，不能列入共同海损的是（）。

Consonant sounds can be either （）or（）,while all vowel sounds are （）.

The guard, fencing or shielding for moving parts or machinery can be removed for repair only when the machinery it belongs to（）

The nozzle of a gasoline hose or can should be kept（）.