Q: I have a cast-iron skillet that I have been using for a few years. It has brown, rust-colored stains that don’t come off, no matter what I do. I’ve tried kosher salt and a small chain, soap, a ...

Whether you inherited them from your parents or grandparents, or got them for a great price at a yard sale or flea market, you may have some rusty tools sitting around your home, basement, or garage ...