Welding galvanized steel creates zinc oxide fumes. If these fumes are inhaled in sufficient quantity, a condition called "metal fume fever" can develop. This is the result of irritation of the airways and the release of damaged proteins into the blood provoking an immune reaction. Symptoms are much like the flu. It will not kill you but you may wish you were dead for 24 to 48 hours or so.
Milk will NOT prevent the condition from developing. (You aren't eating the zinc, you are inhaling it.) Milk may be helpful in settling the stomach and reducing the nausea that is one component of the fever.
Zinc is NOT a carcinogen. It is an essential nutrient. You can buy it in the vitamin section of any supermarket or pharmacy. You can spread zinc oxide on your lips and face to ward off high alpine sunburn. As with any substance, ingesting too much zinc can lead to high blood concentrations, which MAY contribute to some of the misery of metal fume fever. But the main cause of metal fume fever is irritation of the airways.
Metal fume fever can develop from other metals besides zinc. Some of these really are carcinogens and can cause lasting damage beyond the acute sickness. Chromium, lead, and beryllium are examples.
Do a google search on "metal fume fever" and read the material for yourself.
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Today's Featured Article - Field Modifications (Sins of the Farmer) - by Staff. Picture a new Chevrolet driving down the street without it's grill, right fender and trunk lid. Imagine a crude hole made in the hood to accommodate a new taller air cleaner, the fender wells cut away to make way for larger tires, and half of a sliding glass door used to replace the windshield. Top that off with an old set of '36 Ford headlight shells bolted to the hood. Pretty unlikely for a car... but for a tractor, this is pretty normal. It seems that more often than not they a
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