Well put
It some in welding you watch for .
Why you can NOT use nitrogen for shielding.
It could form in lungs Nitric acid?
That is ok in third world countries but not in America.?
Dave?
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Bruce J
11:17am? ?
As a trained chemist I’ve needed to use con Nitric a bunch of times. You do have to be careful not to spill it on you because it promptly kills the nerves in your skin so you don’t notice it dissolving you.?
And that also goes for splashes on your lab coat/apron/etc