Power-operated saws for sawing and cutting machinery, and parts thereof; Machine tools, namely, powered machines for use in cutting machinery, and parts thereof; abrasive devices, namely, diamond power saw blades and power sawing equipment being parts of machines in the nature of high speed blades and saws, power cutters, masonry blades and saws, diamond roller chains being parts of machines, grinding cup wheels, v-shaped blades, tuck point blades, tile and stone blades and saws, dry cutting walk behind saw blades, cured concrete blades, asphalt and green concrete blades, flap discs for power-operated grinders, polishing machines, pads for floor polishing machines and abrasive blades for power saws; diamond core drilling bits, namely, dry drilling core drill bits, vacuum dry drilling core drill bits, wet drilling hand-held core drill bits, wet drilling core drill bits, marble and granite diamond bits, carbide-tipped core bits, and wood carbide core bits; drilling machines comprised of drill rigs, drill stands and core drilling bits; core drill bits and diamond core drill bits; Blades for power saws, power-operated saws, diamond saw blades for power tools and diamond sawing equipment, namely, power-driven saws; road and pavement grinding and marking machines; and structural parts therefore