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Lasting Protection: The Power of Hot Dip Galvanizing
Being outside in the air and water for a couple of months can make steel get rusty, even if it's supposed to be tough. There is this metalworking thing called hot dip galvanizing, which covers the steel with zinc, and that helps stop rust from starting. First, they clean the steel by dissolving out and removing the grease. Then the metal gets put into about 450-degree liquid zinc. And if you're...
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