screen material composed of polymer mesh for filtering dust and fine particulates; screen material for use constructing dust screens for use in industrial settings; fire retardant screen materials composed of polymer mesh for use in containing fine particulates and constructing permeable barriers for reducing the spread of dust.

Construction and mining machines, namely, power drills, rotary power drills, earth drilling machines, power shovels, revolving power shovels, drag line excavators, walking drag line excavators, coal loaders, coal ploughs, shearer loaders, mechanical structural parts of coal loaders and attachments for use with the foregoing goods, namely, drag buckets, excavating dippers, excavator dipper teeth and lips; machine attachments, namely, drag buckets, excavating dippers, excavator dipper teeth and...

Electrical and electronic measuring, signaling and controlling equipment and instruments, namely, monitoring relays, with and without a switching function, for monitoring electrical quantities in insulation resistances, currents, voltages and other electrical quantities in electrical facilities and systems; computer hardware and software for evaluating, visualizing and archiving operational parameters and measured values of electrical facilities and systems