Power-operated grinding wheels; Blades for electric rotary cutting machines; Polycrystalline diamond compact (PDC) drill bits for drilling machines; Blades for power tools; Pads for floor polishing machines; Power saw blades; Abrasive wheels for power-operated grinders; Abrasive disks for power-operated sanders; Core drilling bits; Drill bits for rock drilling; Circular saws; Power drill bits; Band saws; Machine for repair, polishing, buffing and scratch removal on optical discs, CDs, DVDs; C...