Tunnelling machine
Underground auger system
Underground excavating machine having independently movable half
Underground mining machine
Underground mining machine
Underground mining machine having temporary roof support means a
Universal ripper miner
Universal ripper miner
Upward tunneling
Vacuum system for milling machine
Vacuumatic concrete planer
Vane type conveyor for a mining machine drum
Variable wall mining machine
Variable width milling drum
Vehicle-towed roadway grinding machine
Vertical asphalt and concrete miller
Vertical milling apparatus for a paved surface
Vibratory machine
Vibratory milling machine having linear reciprocating motion
Vibratory pavement breaker