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Posted by Joe Landau on March 8, 2006, 2:08 am
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I have a piece of sheet steel that looks to be tinned, about 8x7", that is
part of a 70 year old box I'm refinishing. It has acquired some stresses,
and won't lie flat, though it will spring into several stable states, like,
boing!. How can I get it to relax, so I can rebuild the box without
stresses?
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