Fire Extinguisher, portable or movable apparatus used to put out a small fire by directing onto it a substance that cools the burning material, deprives the flame of oxygen, or interferes with the chemical reactions occurring in the flame.
The six main fire extinguisher types are water, foam, CO2, powder, water mist and wet chemical. Each of the different types of fire extinguisher is suitable for different fire classes.
An easy to remember 4-step process to operating a fire extinguisher, learn the PASS system:
PULL: Pull the pin, this will break the tamper seal.
AIM: Aim low, pointing the nozzle or hose at the base of the fire.
SQUEEZE: Squeeze the handle to release the extinguishing agent.
SWEEP: Sweep from side to side at the base of the fire, the fuel source, until the fire is out.
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