Word: tinless
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Dates: during 1960-1969
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Battling back against market inroads by aluminum, plastics and concrete, steelmen are also pushing thinner but stronger wire cable, lighter structural girders, even tinless cans coated with resins. Having upped its research staff from 274 to 700 persons, Bethlehem Steel in the last year has brought out a corrosion-resistant sheet steel cheaper than some alloys, devised a plastic coating to protect suspension-bridge cables from the weather. U.S. Steel has just introduced a spiral nail which not only fastens lumber more securely but provides up to 29% more nails per pound than the smooth-shank variety. And Crucible Steel...
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