It’s virtually inevitable: over the course of months and years, rust will begin to form on your car, truck, or crossover. Left unchecked, it’ll spread, expand, and eventually ruin its finish, ...

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 ...