Turret fire extinguishing system.
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Previously:
https://www.homemadetools.net/forum/...039#post160648
https://www.homemadetools.net/forum/...268#post154113
https://www.homemadetools.net/forum/...387#post177390
https://www.homemadetools.net/forum/...7085#post84989
https://www.homemadetools.net/forum/...127#post176405
https://www.homemadetools.net/forum/...861#post167675
