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Julian Lopez——Works at the International Telecommunication Union, Lives in Geneva, Switzerland.
Stainless steel is a group of iron-based
metal containing at least 10% chromium (alloy
metals). The chrom ium oxide "CrO" creates an invisible barrier ("passive film") to oxygen and moisture. Therefore the Chromium protects the iron against most corrosion or red-colored rust; thus the term --
stainless--
steel.
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