7 Motors, namely, asynchronous motors, variable frequency drive motors, pole changing motors, in particular for [ industrial ] * industry * or mining, other than motors for land vehicles; cooling systems for motors and engines, namely, water cooling systems, liquid cooling systems, convection cooling systems, forced cooling systems, shaft cooling systems, open-circuit circulation for the aforesaid goods, namely, asynchronous motors, variable frequency drive motors, pole changing motors; machines for industrial and/or mining, namely, for operating in an underground mining environment, for use in oil and gas industries, steel and cement industries; bearings, being parts of machines, including roller bearings, ball bearings, transmission bearings, journal bearings, anti-friction bearings, in particular also self-lubricating; [ machine coupling and transmission components, other than for land vehicles; starters for motors and engines; transmission chains, driving motors and transmission shafts, all of the aforesaid other than for land vehicles; ] belt conveyors; mine working machines; [ brake segments, brake linings and brake shoes, all of the aforesaid other than for vehicles; brushes being parts of machines; ] joints, namely, for connecting sliding strips, plates and guides being parts of engines and/or of machines; torque converters, other than for land vehicles; speed governors for machines and/or for engines and motors; pressure regulators being parts of machines; [ pressure valves being parts of machines; pressure rollers being parts of machines; ] generators of electricity; electric motors, other than for land vehicles; [ filters, namely, air filters, fuel filters, oil filters being parts of machines and/or of motors and engines; ] conveyors, namely, belt conveyors, chain conveyors, hydraulic conveyors, screw conveyors, and extractors, namely, pile extractors, extractors being electronically and power-operated tools; [ crankcases for machines and/or for motors and engines; hangers, namely, mounting hangers being parts of machines; ] gear boxes, other than for land vehicles; hydraulic motors and engines; hydraulic controls for machines and/or for motors and engines; universal joints being parts of machines, other than for land vehicles; pistons being parts of machines and/or of motors and engines; axles for machines; gears, other than for land vehicles; [ machine wheelwork; ] reduction gears other than for land vehicles; [ regulators being parts of machines; ] control mechanisms for machines and/or for motors and engines, namely, hydraulic or pneumatic controls for machines, motors and engines, thermostatic control valves for machines