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In order to decrease their turning radius, all four of the 8x8 wheeled unit's front wheels may be steerable. Newer airport crash tenders also incorporate twin-agent nozzles/injection systems to inject a stream of Purple-K dry chemical into the AFFF firefighting foam stream, helping to extinguish the fire faster. [1]
Diagram showing the path of a driver performing a U-turn.A vehicle with a smaller turning diameter will be able to perform a sharper U-turn. The turning radius (alternatively, turning diameter or turning circle) of a vehicle defines the minimum dimension (typically the radius or diameter) of available space required for that vehicle to make a semi-circular U-turn without skidding.
The fire lane must be within 150 feet (45.7) of the ends of the buildings that it serves. If a fire lane goes around a curve or corner, it must have an outside turning radius of 54 feet (16.5m), and an inside turning radius of 30 feet (9m). [1] These numbers can be a little different depending on the jurisdiction, but are usually roughly the same.
A short piece of fire hose, usually 10 to 20 feet (6.1 m) long, of large diameter, greater than 2.5 inches (64 mm) and as large as 6 inches (150 mm), used to move water from a fire hydrant to the fire engine, when the fire apparatus is parked close to the hydrant. Solid stream A fire-fighting water stream emitted from a smooth-bore nozzle.
A fire engine or fire truck (also spelled firetruck) is a vehicle, usually a specially-designed or modified truck, that functions as a firefighting apparatus. The primary purposes of a fire engine include transporting firefighters and water to an incident as well as carrying equipment for firefighting operations in a fire drill .
Hand tub: A type of historical fire engine where a "tub" had to be filled by a bucket brigade and then pumped onto the fire by hand. An advancement from the hand tub was to a fire engine which was still pumped by hand but had a suction hose to supply water. Hand tubs were pulled to the fire by hand or some were designed to be pulled by horses.
It is numbered with a stylized flag symbol surrounding the number (or sometimes a delta symbol). A general note applies generally and is not called out with flags. 2. Find number: "FN" meaning "find number" refers to the ordinal number that gives an ID tag to one of the constituents in a parts list (list of materials, bill of materials).
ISO 7010 states on all symbols with a first aid cross, that it "may be replaced with another element appropriate to cultural requirements". In countries with a Muslim -majority population, an appropriate symbol is the crescent .