After a brief 3.5 day trip from BF Montana to Eastern Michigan, I'm back.
Big whoop! How 'bout those Chicago commuters! Never again as long as I live
will I take the 80 anywhere near that city. Trains only, thank you.

You measure the amount of oxygen (%), not the nitrogen purity or amount -
can't be done. The oxygen content should be as specified for the type
soldering you are attempting. Usually, below 20% oxygen content is acceptable.

MoonMan

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