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David Staten wrote:
Welders ox does not have this requirement.. so there is always the chance of contamination from a tank being left open to atmosphere (and not closed/blocked when it gets near empty). That being said, I intend to use welder's ox
Oh! I shoulda warned everybody about that, but I just assumed most rotary-heads have already been contaminated with that atmospheric air. They haven't discovered that atmospheric air is a sensitizer now have they?
Ernest (I'm sorry to pull your chain like that, but it's late...and fun 8*)
--
This is by far the hardest lesson about freedom. It goes against
instinct, and morality, to just sit back and watch people make
mistakes. We want to help them, which means control them and their
decisions, but in doing so we actually hurt them (and ourselves)."
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