7 Motors and engines except for land vehicles, and parts and fittings therefor; turbochargers for vehicle engines, and parts and fittings therefor; turbines other than for land vehicles, and parts and fittings therefor; parts of machines, engines and motors other than for land vehicles, namely, pistons and piston rings, springs, wave springs, cockle springs, energizing springs, centralising springs, seals, and sealing rings, brushes and brush seals, leaf seals, retaining rings and segments, locking rings, circlips, damping rings, squeeze film seals, pipe joint seals, pressure washers, scraper rings, control valves, couplings and filters; seals, sealing rings, brush seals, leaf seals, piston rings and retaining rings for use as parts of aircraft engines, gas and steam turbines, vehicle turbochargers, control valves, and for use as parts of high temperature industrial machines; parts for land vehicle motors, namely, pistons and piston rings, seals and sealing rings, brushes and brush seals, leaf seals, springs, wave springs, cockle springs, energizing springs, centralising springs, retaining rings and segments, locking rings, circlips, damping rings, squeeze film seals, pipe joint seals, scraper rings, couplings and filters