Foam-type portable fire extinguishers are most useful in combating fires involving().
相似题目
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How do you operate a portable CO2 fire extinguisher?().
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All portable fire extinguishers must be capable of being().
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Portable foam type fire extinguishers are most effective on().
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Foam-type portable fire extinguishers are most useful in combating fires involving().
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In order to discharge a C02 portable fire extinguisher , the operator must first().
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Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of().
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A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in().
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Foam-type portable fire extinguishers are more usefull in combating fires involving().
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Which is the proper method of determining whether a portable CO2 fire extinguisher needs recharging?()
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Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?()
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Each hand portable,semi-portable and fixed fire extinguishing unit on a ship must be tested and inspected at least once every().
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Which portable fire extinguisher is normally recharged in a shore facility?()
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Each hand portable fire extinguisher on a ship must be marked with().
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A portable foam fire extinguisher is placed in operation by()
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A foam-type portable fire extinguisher would be most useful in combating a fire in().
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How do you operate a portable C02 fire extinguisher?().
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A foam-type portable fire extinguisher is most useful in fighting a fire in().
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Each hand portable fire extinguisher must be marked with().
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Which portable fire extinguisher should be used on a class C fire on board a vessel?()
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A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged.It should be ______.
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Each hand portable fire extinguisher on M/V Utopia must be marked with______.
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