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Show 1 What Is It? rrr otcTocS 1 Was Th8 f f aiUminum created by elec jmpauy oi America) -are both far surpasses that of steel, its chief competitor. It is used in a thousand products prod-ucts -from missiles to such f,7id'y !ihine3 as cookin utensils and appliances, storm windows and doors, packaging and zippers. Today this versatile metal Plays a key role in your life. Annual U.S. per capita t con. sumption now la 29 pounds, and rising rapidly I ' .cunu,mg meir Y&th Ann ver- sary. Just three-quarters of a century cen-tury ago, one of today's most widely used substances was as rare as one of its more costly oxides, the sapphire. The process to obtain it economically eco-nomically was discovered in a woodshed laboratory. It was 1888 ed commercially jn i It is light, bright, non-magnetic Its resistance to corrosion I |