[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.

“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 ...