My advise is when you are using 7018 and chipping the weld is to keep your mouth shut. I had to learn the hard way, when a dime size piece of very hot flux flew in my mouth and landed on the back of my tongue,well i spit,sputtered and swore, but to no avail .I had to wait till the burning stopped to remove the hot flux and part of my tongue. I kept my mouth shut from then on.
Respectfully Yours Don...
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Sweet mother of crap!!!