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FIRE SAFETY. This Photo by Unknown Author is licensed under CC BY-SA.
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. INTRODUCTION WHAT IS THE PURPOSE OF FIRE EXTINGUISHER HOW THEY WORK WHAT ARE THE COMPONENT COMMON TYPES OPERATIONS (P.A.S.S.).
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PURPOSE. CLASS OF FIRE. Primarily for initial fire safety, not intended for fires that have alredy spread, are producing massive smoke, or threaten escape routes..
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HOW THEY WORK. ilv. They disrupt the fire triangle (fuel, oxygen, heat) by cooling, smothering, or breaking the chemical chain reaction.
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COMPONENTS. A pressurized cylinder containing the extinguisher agent, a discharge handle/lever, a safety pin and a nozzle or hose..
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COMMON TYPES. Includes water (for wood/paper), foam (for flammable liquids), carbon dioxide (for electrical fires ), and dry chemical powder (multi-purpose)..
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OPERATIONS P.A.S.S.. .P- PULL THE PIN .A- AIM AT THE BASE OF THE FIRE .S- SQUEEZE THE HANDLE .S- SWEEP SIDE TO SIDE.