Damage to cargo caused by fumes or vapor from liquids,gases, or solids is known as（）.

Lines or gear NOT in use should be（）.

Main engines as well as auxiliary engines operating on heavy fuel should have continuous on the lubricating oil, either according to the bypass or batch principles（）

Mechanical gearing of deck machinery such as the windlass or boat hoists should（）.

It should be apparent that little or nothing is gained by opening a drain at the same time as or after admitting steamThe above sentence probably means （）.

If the officer on watch is in any doubt as to the pilot’s actions，or intentions，he should （）.

The goal, which they are unlikely to live to see , is tocure, prevent or manage all diseasesin the next 80or so years.

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 （）.

A mark or place at which a vessel comes under obligatory entry，transit，or escort procedure is know as（）.

Mariners are reminded that they should proceed in the general direction indicated by the arrows or，if（）a lane，they should do so as nearly as practicable at right angles to it.

Damage to cargo caused by fumes or vapors from liquids，gases，or solids is known as（）.