Comment: If that were true

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In reply to comment: Thermite cutting through steel (see in situ)

If that were true

it would be an obvious source of physical evidence to test for the use of thermite, wouldn't it?
http://www.peacegarden.com/webpage%20photos/911word%20doc..pdf
You can get quite close to it:
http://highwayhighlights.com/wp-content/uploads/2013/05/DSC_...