Adapter Fitting for Connecting Hose Couplings with Dissimilar Threads but with the Same Inside Diameter.[1] See Also #Reducer, Increaser, #Double Male, #Double Female
A Adapter Fitting for connecting hose couplings with dissimilar threads but with the same inside diameter.[1] See also #Reducer, Increaser, #Double male, #Double female. May contain combinations, such as a double-female reducer. Adapters between multiple hoses are called #Wye, #Siamese, or #Distributor, which see below. Air pressurized water (APW) fire extinguisher A hand held fire extinguisher using water for the extinguishing agent which is expelled by compressed air. Wetting agents may be added to the water and AFFF foam can be used in similar extinguishers. Automatic Distress Signal Unit (ADSU) An alarm device that signals that a firefighter is in trouble. It can be activated manually by the firefighter, or activates automatically if the firefighter stops moving. May be integral to SCBA or separately activated. Also known as a PASS device (Personal Alert Safety System). Aerial apparatus Fire truck, meeting National Fire Protection Association (NFPA) Standard 1901, Motor Fire Apparatus, Chapter 6 and Chapter 18, having a multi-section extending ladder, raised using power shifted from the truck's propulsion engine. May also carry other portable ladders and tools. Aerial Ladder A rotating, power-operated (usually hydraulically) ladder mounted on a self-propelled automotive fire apparatus.[1] Aerial Ladder Platform A power-operated (usually hydraulically aerial device which combines an aerial ladder with a personal carrying platform supported at the end of a ladder. Air monitoring meter Electronic device for measuring the presence of one or more chemicals in air, such as oxygen, carbon monoxide, hydrogen sulfide or volatile organic compounds; may have preset danger threshold alarms. Airbag 1.
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