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Old & New Nails
Photo Researchers, Inc.
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Comparing a new nail to an old rusty nail. Rust is hydrated iron oxide and results from a reaction between iron and atmospheric water vapor and oxygen. This corrodes and weakens the original iron structure.
March 7th, 2013
Viewed 3 Times - Last Visitor from Beverly Hills, CA on 07/14/2014 at 11:21 AM
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