Pete is right. You'd have to actually do the study itself to determine for sure which one is more harmful. Two many variables complicates matters.
Plaese visit my Ebay shop selling men's clothes within the United Kingdom.
http://stores.ebay.co.uk/Quality-Menswear-UK
Yeah. It involves quite high temperatures. I remember seeing it being done with a Bunsen burner, but that was a long time ago. If you can only...
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