"Pete C." writes:



And if the fill plant doesn't vacuum out that potential contamination,
particularly the most probably acetylene, before putting high pressure
pure O2 on top of it, their fill plant will go BOOM! Any traces small
enough to not be a safety problem at the fill plant are also too small
to be a safety problem breathing the O2.

That's not the only fun you can have with compressed gas. I
recall that not once but twice, Koch Refining burned down the
CO2 plant attached to their refinery. We never figured out
how...

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