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Even if the intake is scrupulously clean, O2 oxidizes stuff at ridiculously high temperatures many times the safe temperature of the metals we currently use. Even Hastelloy X cuts with a torch and an air stream. Last I knew, acetylene and O2 burned at 6,000F, Hastelloy melts at 3,000
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casual notes from the underground:There are some "experts" out there that in reality don't have a clue as to what they are doing.
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