Foam-type portable fire extinguishers are most useful in combating fires involving().
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How do you operate a portable CO2 fire extinguisher?().
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Foam-type portable fire extinguishers are most useful in combating fires involving().
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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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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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Each hand portable fire extinguisher on a ship must be marked with().
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A foam-type portable fire extinguisher would be most useful in combating a fire in().
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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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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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