Accelerant
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Flammable or combustible liquid that is used to initiate or increase the speed of a fire
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Adjustable Flow Nozzle
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Nozzle designed so that the amount of water flowing through the nozzle can be increased or decreased at the nozzle
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Aerial Fuels
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Standing and supported live and dead combustibles not in direct contact with the ground and consisting mainly of foliage, twigs, branches, stems, cones, bark, and vines
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Aerobic Capacity
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Measure of cardiovascular fitness that takes into account oxygen capacity and efficiency of the lungs and blood in the cardiovascular and respiratory systems
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Arcing
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Luminous discharge that is formed when a current jumps a gap in a circuit or between 2 electrodes
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Arsonist
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Person who commits an act of arson
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Aspect
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(1) Position facing a particular direction; exposure. (2) Compass direction toward which a slope faces
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Attack Hose
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Hose between the attack pumper and the nozzle(s) ; also, any hose used in a handline to control and extinguish fire. Minimum size is 1 1/2 inch
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Automatic Nozzle
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Fog stream nozzle that automatically corrects itself to provide a good stream at the proper nozzle pressure
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Backdraft
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Instantaneous explosion or rapid burning of superheated gases that occurs when oxygen is introduced into an oxygen-depleted confined space. It may occur because of inadequate or improper ventilation procedures
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Balloon Throw
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Method of spreading a salvage cover that utilizes air trapped under the cover to float it into place over materials to be protected
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Beam
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Main structural member of a ladder supporting the rungs or rung blocks
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Bed
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Lowest section of a multi-section ladder. Also called Base
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