Machines and tool machines for material processing and production, namely, for fine grinding, lapping, polishing and deburring of materials; machines for metal, glass, ceramics, plastics, and semiconductor processing and tool machines for fine grinding, lapping, polishing and deburring of materials; precision fine grinding, lapping, polishing and deburring machines for the metal, electronics, ceramics, glass and semiconductor industries; grinding machines for grinding metal, glass, ceramics, plastics or semiconductors; functional components, namely, structural parts and structural fittings for the foregoing machines; Guide tracks for machines, namely, linear guides and systems comprised of linear guides as parts of machines; Abrasive belts for power-operated machines; grinding wheel dressing tools for grinding machines, namely, single point diamond, multi grain dressing diamond, dressing disc, profile roll, blade dresser, diamond dressing blade, diamond dresser, diamond roll dresser; Structural parts and structural fittings for machines and tool machines, namely, power-operated lapping, grinding and polishing pads, lapping rings, and polishing rollers except motors for land vehicles, all for grinding, lapping, polishing, deburring and fine blanking of materials; clutches and apparatus for power transmission other than for land vehicles