The real problem is that the sample would have already been contaminated by
every cleaning agent known to man so it would be impossible to know which
caused deterioration, the cleaning agents or the heat. Ruth
At 11:37 AM -0600 2/2/05, Jim Follett wrote:
(some made from old marble like recycled maybe toilet partitions) Bruce,
these would probably not be thick enough for a proper test.
What do I Know?
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Ruth Barton
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Dummerston, VT
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