Drilling apparatus and method for its control
Drilling device
Drive shield for tunnelling apparatus
Dual mechanical and resin anchor bolt
Dynamic earth anchor, and a sleeve therefor
Dynamic rock stabilizing fixture
Earth boring apparatus
Earth boring apparatus for sinking shafts and method of...
Earth boring machine and method
Earth discharging device for upward-facing shield machine
Earth duct tunnel enlargement apparatus and method
Elevator rail mounting bracket
Elongate compression bearing member
Elongate mine prop
Elongate mine support
Engagement head for tensioning assembly
Engineering of reinforced concrete structures, such as...
Equipment for use in mines and method of use
Excavating apparatus
Excavating device