Two-man quarry drilling setup.
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Previously:
https://www.homemadetools.net/forum/...716#post225905
https://www.homemadetools.net/forum/...195#post172590
https://www.homemadetools.net/forum/...433#post224905
https://www.homemadetools.net/forum/...2093#post95470
https://www.homemadetools.net/forum/...901#post217219
