Boxhole Boring Machine (BBM) Boxhole Backreaming Machine (BBR) Reef Boring Machine Raise Boring Rig (RBR) Raise Boring Reaming Heads and Cutting Tools Shaft Boring Roadheader (SBR) Shaft Boring Cutterhead (SBC) Shaft Boring Extension Machine (SBE) Vertical Shaft Sinking Machine (VSM) Shaft Drilling Jumbo (SDJ) Shaft Boring Machine (SBM)