Firetruck auto eject air and charging ports.
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Previously:
https://www.homemadetools.net/forum/...830#post152439
https://www.homemadetools.net/forum/...3576#post99483
https://www.homemadetools.net/forum/...792#post159886
https://www.homemadetools.net/forum/...783#post102468
https://www.homemadetools.net/forum/...193#post161222
