7 Agitators for the circulation of bulk products and granular substances; agitators for the chemical processing of bulk products and granular substances; air blowers in the nature of conveyor system blowers; aerocondensers, namely heat exchangers being parts of machines; mechanical apparatus for mounting and crushing of metallic and plastic parts; parts of machines, namely, roller bearings ; conveyor belts for handling of bulk granular products; conveyor belts; bending machines for metallic sheets; parts of machines, namely boiler tubes; compressed air engines, not for land vehicles; compressed air machines; compressed air pumps; machines, namely, air compressors; parts of machines, namely, steam condensers; condensing installations comprised of air condensers; pneumatic and hydraulic control mechanisms for machines, engines or motors; machines, namely, conveyors; belt conveyors, pulley conveyors, and screw conveyors for inorganic materials; conveyors for inorganic materials, namely, mineral powders; clutches other than for land vehicles; machines, namely, crushers for inorganic materials, namely, limestone; machines, namely, crushers for limestone, gravel, quartz, sand, clay and ceramic; waste crushing machines; grinding machines and apparatus for milling or pulverizing of non-organic materials; cutting machines; drilling machines; driving motors other than for land vehicles; elevating apparatus in the nature of elevating or lifting work platforms comprised of compressed air lift pumps, lifting chutes, lifting platforms, and vibrator rollers; elevators; painting machines for metallic parts; painting machines for plastic parts; surface coating machines, namely, spray nozzle apparatus comprised of pumps, pump controllers, nozzles, tubing, and valves and paint application robots; filling machines; gearboxes other than for land vehicles; material handling apparatus for loading and unloading of granular substances; automatic handling machines in the nature of manipulators for handling bulk materials; heat exchangers being parts of machines; tool holders for machine tools; mechanical discharging hoppers; hydraulic controls for machines, motors and engines; machines for the bulk handling of granular substances, namely, worm wheels, spiral wheels, worm wheel lifting screws, digging spoons, and impellers; machines for the bulk handling of powdery substances, namely, worm wheels, spiral wheels, worm wheel lifting screws, digging spoons, and impellers; machines in the nature of hydraulic jacks; machines in the nature of pneumatic jacks; assembling machines and machine apparatus for assembling automobiles; engine parts, not for land vehicles, namely, joints, not for land vehicles; lifting apparatus other than hand-operated; machines for folding paper, cardboard, plastics, non-woven fibers and foam not for office use; machines for gluing paper, cardboard, plastics, non-woven fibers and foam; machines for assembling metallic components for assembly line conveyor machinery; metalworking machines, namely, cutting machines, boring machines, milling machines, perforating machines, and planning machines; machines in the nature of milling cutters; milling machines; impact mills and grinders for bulk materials; impact mills and grinders for inorganic solids; impact mills and grinders for inorganic solids, namely, mineral powders; motors and engines other than for land vehicles; painting machines; pneumatic controls for machines, motors and engines; pneumatic transporters; machines in the nature of paint sprayers; pumps for machines; pumps as parts of machines, engines or motors; punching press machines for metal working; punching tools as parts of machines; regulators being parts of machines; riveting machines in the nature of rivet guns; Archimedes' screw in the nature of screw pumps and worm wheels; Archimedes' screw in the nature of screw conveyors for granular materials; sharpening machines; machines for working steel sheets; sand or stone sorting machines for industry; spin driers, not heated; spray guns for paint; steam engines; tools being parts of machines, engines or motors, namely, taps; tools being parts of machines, namely, millstones; transmission parts other than for land vehicles, namely, transmission gears for machines, power transmission belts for machines; transmission shafts other than for land vehicles; turbines other than for land vehicles; mechanical valves for controlling the flow of fluids and gases in an air duct being parts of machines; valves being parts of machines; water heaters being parts of machines; air-water separators being parts of machines; electric welding machines; blower machines for gas transport; blower machines for air transport