Add Yahoo as a preferred source to see more of our stories on Google. A person uses a circular saw - Westend61/Getty Images There's a highbrow big-city magazine cartoon in this somewhere. In the ...

When you think of a high-speed cutting implement like one of Ryobi's circular saws, your first inclination would probably be to use it on wood. Indeed, circular saws, much like unpowered saws, are ...