Method and an apparatus for producing a draining channel

Method and apparatus for hydraulically transporting solids

Method and apparatus for monitoring gateroad structural change

Method and apparatus for transporting a fluid of limited...

Method and arrangement for extracting extraction products in...

Method and arrangement for preventing the passage of a...

Method and equipment for ventilating underground workings

Method and system for control of the truck transport process...

Method and system for exploiting information from...

Method for continuously excavating ground and conveying...

Method for filling voids with aggregate material

Method for predicting outburst of seam rock

Method for storing fluid underground at maximum pressure p.

Method for underground disposal of liquid waste

Method of coating geological formations as well as air and...

Method of controlling gas accumulation in underground mines

Method of controlling the conveyance of product in...

Method of driving a mine entry

Method of dust suppression

Method of dusting coal mine surfaces