A builder's best friend?

It may be a builder's best friend, enabling brickies to cut through stone like a knife through butter. But the petrol-powered Stihl saw is noisier than a chainsaw; has the advanced combustion properties of a Citroen 2CV; and creates as much dust as a bag of cement which has just lost its battle with a lump of Semtex. The dust covering neighbours' washing, cars and houses is pretty horrendous. Let's hope we're coming to an end with the trigger-happy cutting practices...