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16 Cards in this Set
- Front
- Back
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Air-Aspirating Foam Nozzle
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Foam nozzle especially designed to provide the aeration required to make the highest quality foam possible; most effective appliance for the generation of low-expansion foam.
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Alloy
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Substance or mixture composed of two or more metals (or a metal and nonmetallic elements) fused together and dissolved into each other when molten intended to enhance the properties or usefulness of the base metal.
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Aqueous Film Forming Foam (AFFF)
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Synthetic foam concentrate that, when combined with water, can form a complete vapor barrier over fuel spills and fires and is a highly effective extinguishing and blanketing agent on hydrocarbon fuels. Also called light water.
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Conductivity
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The ability of a substance to conduct an electrical current.
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Corrosive Materials
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Gaseous, liquid, or solid materials that can burn, irritate, or destroy human skin tissue and can severely corrode steel. Also called Corrosives.
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Dry Chemical
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Extinguishing system that uses dry-chemical powder as the primary extinguishing agent; often used to protect areas containing volatile flammable liquids.
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Dry Powder
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Extinguishing agent suitable for use on combustible metal fires.
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Escape Route
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Pathway to safety. It can lead to an already burned area, a previously constructed safety area, a meadow that will not burn, or a natural rocky area that is large enough to take refuge without being burned. When escape routes deviate from a defined physical path, they must be clearly marked (flagged).
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Extinguishing Agent
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Any substance used for the purpose of controlling or extinguishing a fire.
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Fire Extinguisher
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Portable fire fighting device designed to combat incipient fires.
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Halogenated Agent System
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Extinguishing system that uses a halogenated gas as the primary extinguishing agent; usually installed to protect highly sensitive electronic equipment.
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Halogenated Agents
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Chemical compounds (halogenated hydrocarbons) that contain carbon plus one or more elements from the halogen series. Halon 1301 and Halon 1211 are most commonly used as extinguishing agents for Class B and Class C fires. Also called Halogenated Hydrocarbons.
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Smothering
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Act of excluding oxygen from a fuel.
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Total Flooding System
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Fire-suppression system designed to protect hazards within enclosed structures. Foam is released into a compartment or area and fills it completely to extinguish the fire.
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Water Mist
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In the fire service, water mist is associated with a fire extinguisher capable of atomizing water through a special applicator. Water-mist fire extinguishers use distilled water, while back-pump type water-mist extinguishers use ordinary water.
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Wet Chemical System
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Extinguishing system that uses a wet-chemical solution as the primary extinguishing agent; usually installed in range hoods and associated ducting where grease may accumulate.
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