7 Mineworking machines; earthmoving machines, namely, bulldozers, cutters, diggers, ditchers; truck bed-mounted material handling machinery primarily for use in the construction materials delivery industry, namely, hydraulic extendable material conveyors, mechanical extendable material conveyors, and truck bed material lifting platforms; oil and gas extraction and mining equipment, namely, mining drills; conveyors being machines for conveying solids and conveyors belts; chain, pneumatic, hydraulic, belt, roller, and screw conveyors; belts for conveyors; conveyors, in particular belt conveyors and roller conveyors; machines for conveying solids; chain, pneumatic, hydraulic, belt, roller, and screw conveyors for use in mines; conveying chains being chains for conveyors; rock breaking machines; mobile machines for quarrying, namely, milling-drilling machines; milling and crushing machines for industrial purposes; size reduction machines for hard materials, namely, crushers, impact mills, breakers, and pulverizers for industrial and commercial applications; open cast mining machines and apparatus, namely, milling-drilling machines; diggers, namely, power-operated chain-type trenching machines for digging trenches; earth moving machines, namely, bucket chain excavators; surface mining machinery, namely, milling-drilling machines; mobile transfer belt conveyors; belt conveyors, conveying chains being chains for conveyors and tube conveyors being belt conveyors; mechanical spreaders; mobile conveyor bridges being conveyors mounted on crawler-tracked bridges; mobile and semi-mobile crushing stations, namely, crushing machines for industrial purposes; roller crushers being crushing machines for industrial purposes; apron feeders, namely, mechanized feeders for animals; transport crawlers, namely, crawler-tracked loaders; rolling mills; bulk materials handling systems comprised primarily of belt conveyors; stackers being stacking machines; reclaimers for bulk goods being loading machines,; combined stackers and reclaimers, being machines for loading and unloading for bulk goods; drag chain conveyor being chain conveyors; earth moving machines, namely, scrapers; ship loaders being front end loaders; continuous ship unloaders being unloading cranes; grab-type ship unloaders being unloading cranes; wagon tipplers being unloading tipplers for tilting railway freight cars; truck and wagon loading systems comprised primarily of loading and unloading machines; cranes; minerals processing equipment, being machines for crushing materials for use in the mining industry, namely sizers, jaw crushers, cone crushers, gyratory crushers, roll crushers, impactors,; high pressure grinding rolls (hpgr) being rotary grinding machines; separators for separating solids from liquids, namely, machines for separating target materials from mixtures of materials; centrifuges for use in mining and in the chemical industry; filtering machines for chemical processing in mining and in the chemical industry; machines for separating target materials from mixtures of materials for use in mining and in the chemical industry; separating machines for separating target materials from mixtures of materials; sorting machines for chemical processing; separators for liquid solutions being separating machines for chemical processing; heavy media separators being separating machines for chemical processing; decanter centrifuges incorporating screw conveyors; cartridges specially adapted for filtering machines for chemical processing; ore separators being machines for separating target materials from mixtures of materials; filtering machines, namely vacuum belt filters for separating target materials from mixtures of materials for use in mining and in the chemical industry; filtering machines used in sewage handling being waste separator machines; filter presses for chemical processing; filtering machines, namely, filtering machines for chemical processing; separators for liquids being separating machines for chemical processing; perforated plates specially adapted for use with machines for sorting minerals and coal and removing non-conforming materials; perforated screens specially adapted for use with machines for sorting minerals and coal and removing non-conforming materials; perforated drums specially adapted for use with machines for sorting minerals, bitumen and coal and removing non-conforming materials; hydrocyclones being cyclones; industrial centrifuges; separating machines being cyclone separators; fluid separation machines being cyclone separators; screening machines being vibratory screen separators; filter presses being presses for chemical processing; reversible flow filters being parts of extracting machines for minerals, bitumen for use in the mining and chemical industry; grain separating machines; filters specially adapted for grain separating machines; sieves being machine parts; screens for grading ore, namely, screens for ore treating machines; screens specially adapted for use with machines for sorting ore and removing non-conforming materials; sorting machines; separating machines vibratory screen separators; water separators, namely, oil-water separators for pneumatic controls being part of machines; centrifuges; centrifugal machines; cyclone separators; cyclones