7 Motors, drives and controls for the operation of machines and engines; machine parts, namely, bearing journals, rotary axles, regulators, shaft couplings, bearing housings, cardan shafts, shaft bearings, connecting mechanisms, heat exchangers, transmission shafts, connecting elements, springs, shock absorber pistons, reduction gears, bearings, angle joints, spring bushings, ball bearings, stators, coils, regulators as machine parts, electric brushes as machine parts, bellows as machine parts, disc brakes as machine parts, mounted bearings, mechanical seals, heat recovery device, wheel hubs in the form of machine parts