But I could be seriously wrong on this.
( I just watch a video that showed boro laboratory glassware being made and it had lots of the yellow flare. )
The oxycon purity level stuff should still hold from what I understand of how the things work.
ETA: And Welcome to the addiction. Try not to spend your retirement plan on glass. It lasts a long time but you still can't eat it when you stop working.
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The Zombie Apocalypse is Upon Us.
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