Fire Extinguishers

Fire Extinguisher

Workplace fires and explosions kill hundreds and injure thousands of workers each year. One way to limit the amount of damage due to such fires is to make portable fire extinguishers an important part of your fire safety program. When used properly, fire extinguishers can save lives and property by putting out a small fire or controlling a fire until additional help arrives.

How Fire Extinguishers Work

Fire is a very rapid chemical reaction between oxygen and some sort of fuel or combustible material, which results in the release of heat, light, flames, and smoke. The heat, oxygen and fuel are the three components necessary for fire, and are referred to as the "fire triangle."

If one element of the fire triangle is not present or is removed, fire will not start, or, if already burning, will extinguish.

Portable fire extinguishers apply an extinguishing agent that will cool burning fuel, displace or remove oxygen, or stop the chemical reaction so a fire cannot continue to burn. When the handle of an extinguisher is compressed, agent is expelled out the nozzle. 

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