Anybody who's ever tried to dig deep in Phoenix soil knows about caliche — hard deposits of calcium carbonate that take countless whacks with a shovel to break up and dig out. But for those who seriously want to break some ground (and turn that caliche to dust), nothing does the trick like a jackhammer. And there's no place like A to Z Equipment Rental and Sales to pick up a monstrous, vibrating machine that breaks through 60 pounds of damn near anything and sounds like a Gatlin gun. A to Z's electric "demolition hammers" range from 20-pound models to 60-pound beasts that require two-wheel haulers. Rental rates vary, so you'll have to contact A to Z for an exact price, but shattering layers of concrete and asphalt like a demolition warrior is just about priceless.