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Foam fire extinguisher
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A foam fire extinguisher is a type of fire extinguisher that uses a foam solution to extinguish fires. It is particularly effective against Class A (fires involving solid materials like wood, paper, and textiles) and Class B (fires involving flammable liquids like petrol, diesel, and oils) fires. The foam works by creating a barrier between the fuel and the fire, cooling the fire and smothering the flames to prevent re-ignition.