Thermal rock fragmentation application in narrow vein...
Thermal rock fragmentation application in narrow vein...
Tow line equipped remote mining machine and method
Traction boring device using multiple trepans for producing larg
Transport apparatus and method of forming same
Treatment of rock surfaces
Tunnel boring machine and method of operating same
Tunnel excavation method
Tunnel-excavating machine with shield formed of segments
Tunneling shield
Tunnelling shields
Twin scrubber and air diffuser for a continuous miner and method
Twin-jet process and apparatus therefor