Blades for electric rotary cutting machines; Blades for power saws; Blades for power tools; Cemented carbide cutting tools; Core drilling bits; Drill bits for rock drilling; Drilling machines and parts therefor; Extensions for power drill bits; Machine parts namely, millstones; Milling cutters for milling machines; Polishing system for use in single-head machines comprising grinding and polishing discs for stone profiling and edges; Polycrystalline diamond compact (PDC) drill bits for drillin...