Thread: What is this?
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Old 04-06-2011, 09:27 PM   #1414
Clodfobble
UNDER CONDITIONAL MITIGATION
 
Join Date: Mar 2004
Location: Austin, TX
Posts: 20,012
I'm going to guess it's steel that was accidentally scored in that fashion. Metal bars dragging across some surface where no metal bars were ever intended to drag.
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