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    Fire Extinguishers — Which One for Which Fire

    Fire Classes

    A Solids — wood, paper, textiles, plastics
    B Flammable liquids — petrol, diesel, solvents, paint
    C Flammable gases — propane, butane, natural gas
    D Metals — magnesium, aluminium swarf
    F Cooking oils and fats
    Elec Electrical equipment (isolate power first)

    Which Extinguisher for Which Fire

    Type Band A B C Elec F
    Water YES NO NO NEVER NO
    Foam YES YES NO Some NO
    CO₂ NO YES NO YES NO
    Powder YES YES YES YES NO
    Wet Chemical NO NO NO NO YES

    Before Using Any Extinguisher

    1. Raise the alarm
    2. Call 999
    3. Only tackle if small, you have a clear escape, and you are trained
    4. If in doubt — get out, stay out, call 999

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