It takes 100 tin cans a year to maintain the average U. S. familyabout 60 for food and about 40 more for oil, shoe polish, paint, etc., off & on throughout the year. Since cans, once opened, are of little further use, that means the U. S. consumes 12,000,000,000 cans annually. Tin cans, as all the world knows, are not made from tin but from tin plate which is 98½% steel with 1½% coating of tin. Last year the can makers used more steel than any other industry except the automobile, absorbing one-eighth of...
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