... -change drum 3,Non dust operation 4,Chip away concrete,asphalt,epoxy epoxy floor removal ... glue, light or heavy milling, grooving walkways to slip resistant, and making uneven surface. The machine ... TCT cutter, or flails, at high speed to chip away the surface of concrete, asphalt, and epoxy ... drum, special heat treatment; with TCT blades. Easy to replace the drum assembly. 4, More gasoline engine for ...