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FIRE SAFETY. Fires can either be extinguished by smothering the flames with a fire blanket or clothing ( removing the oxygen ) or by using a fire extinguisher ( removing the heat )
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Fires can either be extinguished by smothering the flames with a fire blanket or clothing ( removing the oxygen) or by using a fire extinguisher ( removing the heat ) • To use a fire extinguisher properly, it must be aimed at the base of a fire and swept back and forth across that base.
Operating a Fire Extinguisher • PASS • P – pull the pin • (first, you will have to twist the plastic cap, break the seal) • A – aim the hose at the base of the fire • S – squeeze the handle • S – sweep back and forth (side to side) covering the affected area
Always use the right type of fire extinguisher for each specific type of fire. *LHHS extinguishers (ABC type) CLASS A Fires: • Fires of organic matter that will leave ashes. • Example: wood, paper, tissues • Extinguishers: H2O, CO2, dry chemicals
CLASS B FIRES: • Fires of flammable liquids • Examples: Gasoline, solvents • Extinguishers: CO2 , dry chemical NOTE: • Water is not a good extinguisher because it spreads the liquid around.
CLASS C FIRES: • Fires of an electrical nature • EXAMPLES: Computers, photocopiers • EXTINGUISHERS: CO2 , Dry Chemical *LHHS extinguishers (ABC type)
CLASS D FIRES: • Fires of burning metals • EXAMPLES: Sodium, aluminum, magnesium • EXTINGUISHERS: Sand and salt NOTE: • Water is not a good extinguisher because it creates a violent reaction.
CLASS E FIRES: • Fires of radioactive materials • EXAMPLES: Uranium, plutonium • EXTINGUISHER: Concrete