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Click on word or picture links for more information. We either grow it or we mine it.
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| How is zinc used? | Zinc is the third most used nonferrous metal (after aluminum
and copper), of which the U.S. consumes more than one million metric tons annually. The average person will use 730 pounds of zinc in his or her lifetime, according to the U.S. Bureau of Mines. Zinc is primarily used as a coating on iron and steel to protect against corrosion. Corrosion costs more than $200 billion annually -- 4.2% U.S. GNP. Zinc makes the average automobile last longer -- 17 pounds of zinc protect it from rust, Another 20 pounds are used to make zinc die cast parts like door handles and locks, and each tire contains about 1/2 pound of zinc, which is needed to cure rubber. Zinc can store six times as much energy per pound as other battery systems, increasing range of electric vehicles. Zinc-air batteries have powered cars to speeds of 120 mph. Zinc sheets used in architecture, for roofs or facades, on counters and on bar tops, have a maintenance-free life of over 60 years. American Zinc Association: http://www.zinc.org/ |
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