Uphill pipe transport fail.
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Previously:
https://www.homemadetools.net/forum/...128#post210998
https://www.homemadetools.net/forum/...350#post173239
https://www.homemadetools.net/forum/...olly-gif-92038
https://www.homemadetools.net/forum/...783#post206383
https://www.homemadetools.net/forum/...610#post209332
https://www.homemadetools.net/forum/...824#post100116