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Piping or tubing is usually inserted into fittings to make connections. Connectors are assigned a gender, abbreviated M or F. An example of this is a "3 ⁄ 4-inch female adapter NPT", which would have a corresponding male connection of the same size and thread standard (in this case also NPT).
"The sprinkler system worked all too well, causing a flood that washed away all the food and a good part of the kitchen." [3] [better source needed] Ambrose Godfrey created the first successful automated sprinkler system in 1723. [4] [full citation needed] He used gunpowder to release a tank of extinguishing fluid. [4] [full citation needed]
Sprinkler fitting is a skilled trade that consists of assembling, installing, testing, repairing, inspecting, and certifying automatic fire suppression systems and their associated piping in commercial, industrial and residential buildings.
These sprinklers can be fixed spray heads that have a set pattern and generally spray between 1.5 and 2 m (5 and 7 ft), full rotating sprinklers that can spray a broken stream of water from 6 to 12 m (20 to 40 ft), or small drip emitters that release a slow, steady drip of water on more delicate plants such as flowers and shrubs.
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When the angle is too large, the wheels rotate to keep the segments aligned. Typical periods for a full rotation include three days; [8] while other sources have the outer edge of the structure moving at 2 to 3 m (6.6 to 9.8 ft) per minute, which would equate to 14 to 21 hours for one full rotation of a 400-meter-radius (1 ⁄ 4 mi) system. [9]