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 - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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