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What Is Patina—and How Does It Differ From Rust and Tarnish?
When it comes to metal—be it a copper pan or an antique made from bronze—differentiating between a patina, tarnish, and rust ...
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The 9 Best Rust Removers Make Gear Look Good as New
Iron and steel may be some of the strongest materials on earth, but they’re no match for the elements. Ferrous metals start to rust after only a few hours of exposure to air and water.