Fire extinguishers work by disrupting the fire triangle, which requires three elements to sustain combustion: fuel, oxygen, and a heat source. They remove one of these elements to put out the fire.
General Uses:-
Emergency Response: They are essential safety equipment for homes, schools, offices, and public buildings to manage small fires.
Preventing Escalation: They help quickly control a fire before it grows large enough to cause significant damage or spread.
Specific Fire Classes and Extinguisher Types Different types of fires require specific extinguishers for effective and safe use.
Class A: For ordinary combustibles like wood, paper, and textiles.
Extinguisher Types: Water, Foam, Dry Powder
Class B: For flammable liquids, such as gasoline, oil, and paint.
Extinguisher Types: Foam, Dry Powder, Carbon Dioxide (CO2)
Class C: For electrical fires from faulty wiring and equipment.
Extinguisher Types: Dry Powder
Class D: For fires involving combustible metals like magnesium or titanium.
Extinguisher Types: Specialist Dry Powder
Class K: For fires involving cooking oils, fats, and grease found in commercial kitchens.
Extinguisher Types: Class K (Wet Chemical)
Important Safety Considerations
Only use on small fires: Do not attempt to use an extinguisher on a fire that is already large, out of control, or has reached the ceiling.
Ensure a clear escape route: Always have a clear path to safety behind you before you begin to use the extinguisher.
Call emergency services: Always alert others and call the fire department, even if you successfully extinguish the fire.
Know your extinguisher type: Ensure you are using the correct type of extinguisher for the specific type of fire you are fighting.

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