Poured concrete fail.
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Previously:
https://www.homemadetools.net/forum/...581#post166823
https://www.homemadetools.net/forum/...576#post166803
https://www.homemadetools.net/forum/...154#post165196
https://www.homemadetools.net/forum/...172#post153757
https://www.homemadetools.net/forum/...558#post123053
https://www.homemadetools.net/forum/...463#post131853
https://www.homemadetools.net/forum/...088#post120617