Over time, as iron, steel, and other ferrous metals are exposed to oxygen and moisture they can undergo oxidation, a chemical reaction that eats away at the metal and rust your tools. Left long enough ...
Don't toss out a cast iron skillet because you spot a few rust spots; they can be removed with several household products, ...
If you notice rust buildup on some of the bolts around your house and garage, there's an easy way to clean them without having to pry them out.