[Clem] tried to remove rust from a big part, but the power supply wasn’t up to the task. Copper plating is often used as a step to make a part conductive so you can then plate with another metal.

When metal rusts, you'll find loose ... Pro tip: Power tools might be too aggressive for removing rust from small, delicate objects or thin steel plating. In that case, consider electrolysis.

“This thing’s got 15,000 miles on it,” he says, pointing out the flaking rust and rough textures coating the metal. He compares it to his previous Ram truck, which he traded in with over 100,000 miles ...