The（）enables water to be blow down or emptied from the boilerIt may be used when partially or completely emptying the boiler.

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

When latitude and longitude are used，these shall be expressed in（）（and decimals of a minute if necessary），north or south of the Equator and east or west of Greenwich.

When adults go to masquerade parties, they wear costumes which make them look like historical or political figures.____

EXCEPT when suffering from a head or chest injury a patient in shock should be placed in which position?（）.

（）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

The （） is used for hauling in or letting out the wires or ropes.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.