37 Repair, maintenance, rebuilding, installation, and providing information related to the repair of machines and machine tools including plastic processing machines, motors and engines except for land vehicles, machine coupling and transmission components except for land vehicles, starters for motors and engines, anti-friction pads for machines, transmission chains other than for land vehicles, drives for motors other than for land vehicles, transmission shafts other than for land vehicles, brake segments other than for vehicles, brake pads other than for vehicles, brake shoes other than for vehicles, crankcases for machines, crankcases for motors, crankcases for engines, gear boxes other than for land vehicles, universal joints and cardan joints for connecting an engine to a shaft or a spindle, machine couplings other than for land vehicles, cranks being parts of machines, bearings as parts of machines, bearing brackets for machines, machines for processing plastics, machine parts including bearing housings, machine wheels, stands for machines, axles for machines, mixing machines, feeders being parts of machines, electric mixing machines, pressing machines for industrial purposes, pumps for heating installations including gear pumps, vacuum pumps, centrifugal pumps, turbo pumps, and wedge shaped lubricant pumps, machine parts including pumps for heat exchangers, pumps being parts of machines, pumps being parts of engines, pumps being parts of motors, gears other than for land vehicles, machine wheelworks, roller bearings for machines, clutches for power transmission other than for land vehicles, lubricating pumps, lubricators being parts of machines, bearings for transmission shafts being parts of machines, transmissions other than for land vehicles, transmissions for machines, reduction gears other than for land vehicles, shaft couplings for machines, machine tools including extruder shafts for plastic processing machines and pressure increasing tools for plastic processing machines, wind turbines, rack and pinion jacks, filling machines, machines and machine tools including melt pumps and machines for manufacturing and further processing of plastics, vehicles, railroad bounded vehicles, road vehicles, tramways, carriages, trolleys, buses, trucks, apparatus for locomotion by land, apparatus for locomotion by air, apparatus for locomotion by water, railroad bounded apparatus, drones, air ships, helicopters, spyrocopters, boats, airplanes, locomotives, self driving carriages, ferries, automobiles, axle journals for land vehicles, transmission chains for land vehicles, driving motors for land vehicles, transmission shafts for land vehicles, brake segments for vehicles, brake discs for vehicles, bogies for railway cars, torque converters for land vehicles, rolling stock for railways, brakes for vehicles, mine cart wheels, transmission parts including gears for land vehicles or couplings, transmission parts including pinions for land vehicles or couplings, transmission parts including screws for land vehicles or couplings, transmission parts including wheels for land vehicles or couplings, transmission parts including freewheels for land vehicles or coupling, gear boxes for land vehicles, shaft couplings for land vehicles, vans, tipping bodies for dump trucks, motorcycles, land vehicle wheel hubs, bands for wheel hubs including hub caps, axles for land vehicles, gears for land vehicles, clutches for land vehicles, trams, torsion bars for vehicles, transmissions for land vehicles, reduction gears for land vehicles, railway couplings, railway carriages, gears for bicycles; repair and maintenance of gear boxes, power transmissions and couplings; vehicle greasing; vehicle maintenance; vehicle service stations featuring refueling and maintenance; cleaning of building interiors; elevator installation and repair; machinery installation, maintenance and repair; varnishing; pump repair; rebuilding machines that have been worn or partially destroyed; rebuilding vehicle engines that have been worn or partially destroyed; airplane maintenance and repair; motor vehicle maintenance and repair