All portable fire extinguishers must be capable of being（）.
Life preservers must be marked with the（）.
If a scavenge fire starts, the engine must be put to “（）” and the fuel must be taken off the cylinders affected by the fire.
Immersion suits must be stowed（）.
Before being used the fuel service tank should be drained of （）.
In order for a vessel to be engaged in fishing she must be（）.
（）, the engine must be stopped immediately.
When a flash-type evaporator is to be secured for an extended period of time, the entire unit should be drained, cleaned, and （）.
The amount of lubricating oil in the drain tank should be checked by （）.
While the parallel operation, （） must be used.
All portable fine extinguishers must be capable of being（）.
Condensate must be drained periodically from the air compressor receivers to prevent （）.
（） must be done to solve this problem.
Dirty oil must be （） before being used again.
Day-shapes must be displayed（）.
When sailing in cold zones, the（） should be drained of water.
Broken stowage must be reduced to（）.
The proposition must be ______.
Acupuncture and acupressure must be used separately.
Good project objectives must be:
What must be included in the introduction？
Under documentary collection, the draft must be（）
