Basic Fire Safety Awareness Course (6 of 20)

Understanding Fire
Below are the three elements that are required for a fire to begin.

FUEL
A combustible material ( paper, wood, cardboard etc), a flammable gas or liquid.

OXYGEN
Usually from natural air but could also be from compressed air lines, air conditioning systems or ventilation systems.

HEAT / IGNITION
There are many ignition sources of heat / ignition but can include smoking materials, welding, halogen lamps, industrial heat producing equipment, portable electric heaters, damaged or unmaintained electrical equipment.

To extinguish a fire the chemical reaction needs to be stopped and this can be done by one of three methods:  

COOLING   •   SMOTHERING   •   STARVING
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