Sectorial sprinkling device for coal mining
Selectively phased water supply of a cutter head
Shearer loader for underground mining comprising a spray system
Shield tunneling machine
Spray nozzle for mining
Spraying nozzle arrangement
Tip and mineral cutter pick
Tool and nozzle supporting device for use in mining machines
Valve openable in response to displacement of a cutting tool
Water seal arrangement
Water spray assembly
Water spray nozzle for use with a mineral pick box
Water spray unit for mining
Water supply system for a mining machine