Metal bolts; metal weld pins; metal pins for automotive door hinges; metal cotter pins; threaded metal fasteners; metal fasteners, namely, bolts, washers, screws, nuts, ladder rods, rivets, threaded studs, threaded collared studs, conveyor rods, threaded rods for use with conveyers, bolts for cable reels, binder rivets, threaded metal fasteners, namely, externally threaded binder posts, mating caps for binder posts; wire cloth, wire mesh

Coal and mineral dewatering and washing equipment, namely, centrifuges, vibratory centrifuges, screen centrifuges, scroll centrifuges and chip wringers in the nature of centrifuges; coal dewatering and washing equipment parts, namely, machines parts in the nature of rotors, baskets, screens, clamping rings, wear rings and gaskets; vibratory screen separators; vibrating screen separators, sieve bend screen separators, non-vibrating screen separators, incline screen separators, horizontal screen separators, modified horizontal screen separators, banana screen separators consisting of one or multiple decks or combinations, retention screen separators, flat drain screen separators, trommel screen separators and drives used in coal processing and mineral recovery plants and related facilities; filters for domestic, agricultural and industrial machines in the nature of Coanda effect wire screens and wedge-wire screens; apparatus used in the processing of coal and minerals, and in waste and metals recovery, namely, heavy medium classifying machines, heavy medium cyclones, hydrocyclones and classifying cyclones; filters for machines in the nature of sieve bends, static sieves, dewatering sieves, sieve screens; coal and mineral processing machines, namely, belt conveyers and vibrating sieve bends; low voltage motor starters; electric generator panels; and replacement parts for coal dewatering and washing equipment, namely, for centrifuges, for screen centrifuges and for scroll centrifuges, being cones, cone extensions, cone caps, and flights

High voltage electrical switch gear, namely, power centers comprised of power switches, electrical distribution boxes and sub-stations comprised of electric voltage transformers; rectifiers; electrical ground monitors; low voltage electrical plugs and electrical receptacles; electronic controls for mining machines, namely, starter boxes and starter controls for mining equipment, and electronic controls for the remote control of coal preparation plants; metal enclosed capacitor banks; cameras for monitoring mines and mining operations; mine safety and security cameras; connection cables; electrical switches and electrical connection boxes; electrical reactors; electrical transformers; and replacement parts for the foregoing

Explosion proof underground electric lights; headlights for mining machines; electric lamps and electric lighting fixtures; and replacement parts for the foregoing; water filtering apparatus comprised of Coanda effect wire screens and wedge-wire screens for water and waste water screening, including in hydro-turbine intakes, hydro-electric facilities, irrigation, water resource management, water purification, rainwater harvesting, fish, sand, sediment, debris, and aquatic growth exclusion, and industrial water treatment; air-flow cleaning units

Non-metal threaded fasteners

Repair, maintenance, and servicing of centrifuges, screens, vibrating screens and drive mechanisms, and component parts thereof for others; repair, servicing and maintenance of coal and mineral processing plants and related mines and mining and processing facilities for others

Design, technical engineering consultation, technical engineering planning and conducting feasibility assessments and studies, all in the fields of plants and facilities for processing of coal, minerals, ore, coke, and petroleum coke for others; technical engineering consultation and design of port facilities, ship loading and unloading facilities and installations, intermodal transportation facilities, and offshore terminals with bulk loading and unloading facilities; engineering services, namely, environmental engineering and electrical engineering in the fields of plants and facilities for processing of coal, minerals, ore, coke, and petroleum coke for others, and the foregoing not including augering, hole digging, trenching and pole setting