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non-whiner
Join Date: Aug 2012
Location: Slightly right of center
Posts: 5,235
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You can't lay a 4 to 5 inch bead on 20 gauge in one fell swoop. The heat will warp the steel to the point that no amount of grinding will help. Tack and move is the only way to do it successfully.
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"Too much is just enough."
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