VULCAN20 wrote:

> I asked a friend of mine who does blacksmithing, this was his answer. If
> the whole sheet of steel is heated evenly the hole will enlarge. if just
> the area around the hole is heated the hole will decrease. IMHO From my
> line of thinking it makes sense. but not to sure. just a thought

Yeah! Thanks a lot :)  Not a proof (and there probably will be people who
contest that :), but a confirmation.

I thought it might be like this, but I'm not really the blacksmith guy who
has done this a thousand times. 

See also my other message in the "[OT] Holes get smaller" thread about why
I think holes may get smaller under the right circumstances.

Gerhard

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