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Oil fires are best extinguished by().
Foam extinguishes a fire mainly by().
Halon fire extinguishers are NOT effective when used on which types of fires?()
Halon fire extinguishers are NOT effective when used on which types of fires?()
A fire in electrical equipment should be extinguished by using().
Triethylene glycol fires may be extinguished by().
Halon from extinguishers used on a class B fire,should be directed().
Foam extinguishes a fire by().
Foam extinguishes a fire by().
Halon extinguishes a fire by().
Halon extinguishes fire primarily by().
After using a Halon extinguisher,it should be().
Generally,the first action in extinguishing an LFG fire caused by escaping gas is to().
Generally, the first action in extinguishing an LFG fire caused by escaping gas is to().
A fire can be extinguished by removing ().
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()。
If a small fire initially breaks out in the engine room bilges, in which of the following sequences should the fire extinguishing agents or systems be used?()
The principal personnel hazard unique to Halon extinguishers is().
Except in rare cases,it is impossible to extinguish a shipboard fire by().
Except in rare cases, it is impossible to extinguish a shipboard fire by ().
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