Day 12: Fire Extinguishers – Types, Colour Codes, Use & PASS Method (Basic to Advanced Explanation)** Introduction Fire extinguishers are the first line of defense in any fire emergency. A fire extinguisher can control or stop a fire only when : The correct type is selected It is used correctly It is used at the early stage of fire Using a wrong extinguisher can increase fire, cause explosion, or electric shock . 1. What Is a Fire Extinguisher A fire extinguisher is a portable pressure vessel containing an extinguishing agent used to control small, initial-stage fires . 👉 Fire extinguishers are not for large or uncontrollable fires . 2. Main Parts / Components of a Fire Extinguisher Every fire extinguisher has these basic components: Cylinder (Body) – Stores extinguishing agent Extinguishing Agent – Water, foam, CO₂, powder, etc. Propellant Gas – Pressurized gas ...