Fire Extinguisher:
Definition: A fire extinguisher is a device used to put out or control small fires in emergency situations.
Classification:
1. Class A: For ordinary combustibles (paper, wood, cloth)
2. Class B: For flammable liquids (gasoline, oil, paint)
3. Class C: For electrical fires (appliances, wiring)
4. Class D: For combustible metals (magnesium, titanium)
5. Class K: For cooking oils and greases
Types of Fire Extinguishers:
1. Water Extinguishers
2. Foam Extinguishers
3. Dry Chemical Extinguishers
4. Carbon Dioxide Extinguishers
5. Halon Extinguishers
6. Clean Agent Extinguishers
Working Principle:
1. Cooling: Water extinguishers cool the fuel to stop the fire.
2. Smothering: Foam extinguishers smother the fire by cutting off oxygen.
3. Starving: Dry chemical extinguishers starve the fire by removing oxygen.
4. Displacement: Carbon dioxide extinguishers displace oxygen to stop the fire.
Benefits:
1. Quick Response: Fire extinguishers provide immediate response to fires.
2. Effective: Fire extinguishers are effective in putting out small fires.
3. Easy to Use: Fire extinguishers are simple to operate.
4. Portable: Fire extinguishers are lightweight and easy to move.
5. Safety: Fire extinguishers provide a safe way to respond to fires.
6. Compliance: Fire extinguishers meet regulatory requirements.
7. Protection: Fire extinguishers protect people, property, and assets.
Remember to always follow the PASS method when using a fire extinguisher:
1. P - Pull the safety pin
2. A - Aim the nozzle
3. S - Squeeze the handle
4. S - Sweep the nozzle