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06-12-2014, 01:52 PM #1
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- Jan 2008
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- Rochester, MN
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Thanked: 3795What was the new approach?
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06-12-2014, 01:58 PM #2
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- Sep 2013
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- NW Indiana
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Thanked: 246Acid etching rather than polishing like most seem to prefer. At least I haven't seen anyone else do it very often.