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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?()
Which types of portable fire extinguishers are designed for use on electrical fires?()
Halon fire extinguishers are NOT effective when used on which types of fires?()
Which extinguishing agent is the best for use on electrical fires?()
A fire in electrical equipment should be extinguished by using().
Triethylene glycol fires may be extinguished by().
How does foam extinguish an oil fire?()
Dry chemical fire extinguishers are effective on which type(s) of fire?()
If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?()
Foam extinguishes a fire by().
Foam extinguishes a fire by().
Halon extinguishes a fire by().
Halon extinguishes fire primarily by().
Portable foam type fire extinguishers are most effective on().
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()。
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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