Dump truck laying a bed of gravel.
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Previously:
https://www.homemadetools.net/forum/...589#post189717
https://www.homemadetools.net/forum/...975#post179693
https://www.homemadetools.net/forum/...565#post174104
https://www.homemadetools.net/forum/...049#post164669
https://www.homemadetools.net/forum/...292#post150310