A fire extinguisher is a handheld device that contains a chemical that can put out small fires. They are used in emergencies, but are not intended for out-of-control fires.
Types of fire extinguishers
Foam
A water-based extinguisher that can put out class A and B fires. Foam extinguishers are good for liquid fires like petrol and diesel, but not for kitchen fires.
Dry powder
A chemical extinguisher that can put out class A, B, and C fires. Dry powder extinguishers are good for organic materials like wood and paper, and flammable liquids like petrol and diesel.
Carbon dioxide (CO2)
An extinguisher that can put out class B and electrical fires. CO2 extinguishers are good for computer server rooms.
Wet chemical
An extinguisher that can put out class A and F fires. Wet chemical extinguishers are good for kitchen fires.
How to use a fire extinguisher
To use a fire extinguisher, you can follow the PASS method:
Pull the pin
Aim the nozzle at the base of the fire
Squeeze the handle
Sweep from side to side at the base of the fire
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