Mining train dumping copper ore.
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Previously:
https://www.homemadetools.net/forum/...517#post197105
https://www.homemadetools.net/forum/...727#post193925
https://www.homemadetools.net/forum/...358#post185220
https://www.homemadetools.net/forum/...393#post185368
https://www.homemadetools.net/forum/...224#post180709