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Don and Ray wrote: "manganese toxicity causes dystonia and higher incience amongst welders breath too many alloy fumes" What I'm interested in knowing is WHAT ELSE is the element *manganese* used in...what products is this substance a part of ...very few Parkie's are welders. There must be dozens of objects/substances that *manganese* can be found in...supposed it's lightbulbs or microwave ovens? Hugs, Gail