7 Motors and engines except for land vehicles; machine coupling and transmission components except for land vehicles; agricultural implements other than hand-operated, namely, industrial robots, scrapers, pumps in the nature of suction and sludge pumps, machines, namely, crushers, impact mills, breakers, pulverizers, mixers and blenders and parts therefor, for industrial and commercial applications and cleaning systems for animal claws and hooves, namely, motors, namely, engines and motors for the generation of electricity, chains, namely, driving chains other than for land vehicles, rollers, namely, machine parts in the nature of rollers coated with synthetic material, robots, namely, industrial robots, pumps in the nature of suction and sludge pumps and spray units, namely, water and disinfectant spray systems comprised of pumps, pump controllers, nozzles, tubing and valves; barn cleaning machines, robots and systems, namely, industrial robots, scrapers, pumps in the nature of suction and sludge pumps, mixers, floor mats in the nature of machine parts and cleaning systems for animal claws and hooves, namely, motors, namely, engines and motors for the generation of electricity, chains, namely, driving chains other than for land vehicles, rollers, namely, machine parts in the nature of rollers coated with synthetic material, robots, namely, industrial robots, pumps in the nature of suction and sludge pumps and spray units, namely, water and disinfectant spray systems comprised of pumps, pump controllers, nozzles, tubing and valves; stall supply machines, robots and systems, namely, industrial robots, scrapers, pumps in the nature of suction and sludge pumps, mixers, floor mats in the nature of machine parts and cleaning systems for animal claws and hooves, namely, motors, namely, engines and motors for the generation of electricity, chains, namely, driving chains other than for land vehicles, rollers, namely, machine parts in the nature of rollers coated with synthetic material, robots, namely, industrial robots, pumps in the nature of suction and sludge pumps and spray units, namely, water and disinfectant spray systems comprised of pumps, pump controllers, nozzles, tubing and valves; manure handling equipment for removal, storage and spreading of manure, namely, industrial robots, scrapers, pumps in the nature of suction and sludge pumps, mixers, floor mats in the nature of machine parts, movable floor slats and cleaning systems for animal claws and hooves, namely, motors, namely, engines and motors for the generation of electricity, chains, namely, driving chains other than for land vehicles, rollers, namely, machine parts in the nature of rollers coated with synthetic material, robots, namely, industrial robots, pumps in the nature of suction and sludge pumps, spray units, namely, water and disinfectant spray systems comprised of pumps, pump controllers, nozzles, tubing and valves and manure spreaders; manure removal systems, namely, industrial robots, scrapers, pumps in the nature of suction and sludge pumps, mixers, floor mats in the nature of machine parts and cleaning systems for animal claws and hooves, namely, motors, namely, engines and motors for the generation of electricity, chains, namely, driving chains other than for land vehicles, rollers, namely, machine parts in the nature of rollers coated with synthetic material, robots, namely, industrial robots, pumps in the nature of suction and sludge pumps, spray units, namely, water and disinfectant spray systems comprised of pumps, pump controllers, nozzles, tubing and valves, manure pumps, namely, electric pumps, hydraulic pumps and sludge pumps, manure mixers, namely, crushers, impact mills, breakers, pulverizers, mixers and blenders and parts therefor for industrial and commercial applications, manure scrapers, namely, scrapers for removing manure from barn floors and manure agitators, namely, manure spreaders; mechanically operated installations for moving cattle, namely, machines that emit low-level electric pulses to encourage cattle movement and machines for udder cleaning and washing of dairy cows; parts for the aforesaid goods, namely, ball valves being parts of machines, pump impellers, pumps in the nature of suction and sludge pumps and compressors as parts of machines, motors and engines, and valves for pumps and mixers