I hear ya, but....

http://www.ntsb.gov/ntsb/brief.asp?e...08X07722&key=1

This accident was featured in FLYING magazine's aftermath column a few years ago.

Well, that doesn't have to do with using welder's oxygen. It has to do
with using air instead of oxygen. A mistake, yes, but mistakes can
occur in any stage of the chain.

Jose
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