Machine tools, namely, hard metal cemented carbide tips and metal printing plates for attachment to chip-removing machines; machine tools, namely, drill chucks for power drills, electric drills and drill bits for rock drilling, and replacement structural parts therefor; power-operated tools, namely, power drills; machines, namely, drilling machines and nut-tapping machines, rock drills and milling cutters; machine tools, namely, cemented carbide tips and power polycrystalline diamond drills, power cubic nitride drills and power nitride drills; power-operated grinding wheels; planing machines; polishing machines for grinding and polishing marble, granite, stone, concrete and brick; power-operated ratchet wrenches; cutting, milling and polishing machine parts, namely, blades, blades for power saws, power saw blades with diamond coated segments, grindstones; abrasive disks for power-operated grinders with diamond coated segments for planning and drills for the marble, granite and natural stone industry