While I agree that even the OSHA site indicates that Zinc causes a temporary flu like symptom, lasting a day or two, the controversy is far from decided. 2 million hits on Google. The mining of Zinc, and its smelting often allow several other materials and compounds into the "alloy" including Cadmium. These combined with the Zircon and Manganese often associated with rod fluxes and chromium vanadium oxides from high strength steels are troublesome. If one gets ill from the zinc, one is very likely getting a dose of all sorts of other gassed out metal oxides. Good practice is the answer. JimN
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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