🔥 Fire, Fire Extinguishers & Safety Protocols — Short Summary

1. What is Fire?

Fire is a chemical reaction called combustion, which needs three things:

• Heat

• Fuel

• Oxygen

These three form the Fire Triangle.
Remove any one of them, and the fire goes out.

2. Types of Fire

• Class A: Solid materials (wood, paper, cloth)

• Class B: Flammable liquids (petrol, oil, paints)

• Class C: Gases (LPG, methane)

• Class D: Metals (magnesium, sodium)

• Class K/F: Cooking oils & fats (kitchens)

3. Fire Extinguishers

Fire extinguishers are devices used to control or put out small fires. Common types:

• Water Extinguisher – For Class A fires only

• Foam Extinguisher – For Class A & B fires

• CO₂ Extinguisher – For electrical & Class B fires

• Dry Chemical Powder – For Class A, B & C; multipurpose

• Wet Chemical – For kitchen/grease fires (Class F/K)

4. Basic Fire Safety Protocols

• Stay calm and raise the alarm immediately

• Evacuate the area using the nearest safe exit

• Don’t use elevators during fire

• Use Stop, Drop & Roll if clothes catch fire

• Only attempt to extinguish small fires if trained

• Keep fire exits, corridors, and staircases clear

• Know the location of fire extinguishers and alarms

• Call emergency services right away

5. PASS Method (for using extinguishers)

P – Pull the pin
A – Aim at the base of the fire
S – Squeeze the handle
S – Sweep side to side