[ Common metals and their alloys ]

Monitoring apparatus and instruments, namely, electronic monitors for monitoring flowmeters, pressure switches and sensors for monitoring hydraulic or pneumatic systems, and electronic monitors and monitor modules for monitoring electric current and electrical signals; monitoring instruments, namely, electronic monitors for monitoring flowmeters, pressure switches and sensors for monitoring hydraulic or pneumatic systems, and electronic monitors and monitor modules for monitoring electric cur...

Power-operated shaft hoists for mines; belt conveyors; roller tracks for use in belt conveyer apparatus; conveyors, in particular belt conveyors and roller conveyors; Slurry blender machines for use in oil or gas well hydraulic fracturing operations; rubber tracks being parts of crawlers on mining machines; extractors for mines; drives for conveyors; conveyors being machines and conveyor belts; loaders in the nature of conveyors being machines; hydraulic conveyors; automatic conveyor installa...