A fire extinguisher is a portable or fixed device designed to suppress or extinguish small fires. It typically consists of the following components:
1. Cylinder or Container: A metal or plastic tank that holds the extinguishing agent, such as water, foam, dry chemicals, or carbon dioxide.
2. Pressure Gauge: Indicates the pressure level within the extinguisher to ensure it is functional.
3. Nozzle or Hose: Directs the flow of the extinguishing agent towards the fire.
4. Handle and Trigger: Used to operate the extinguisher by releasing the extinguishing agent.
5. Pin and Seal: Prevent accidental discharge.
Fire extinguishers are classified into types based on the type of fire they are designed to handle:
Class A: For ordinary combustibles like wood, paper, and cloth.
Class B: For flammable liquids such as oil and gasoline.
Class C: For electrical fires.
Class D: For combustible metals.
Class K: For cooking oils and fats.
Proper maintenance and training are crucial for their effective use in emergencies.
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