Components for machines and machine tools, grinding machines, material handling machines, food processing machines, chemistry processing machines and textile industry machines, namely, sand, chemical and reverse osmosis filters; Grinding and polishing machines; Grinding machines for metalworking; IC handlers, namely, machines for processing integrated circuits; Lapping machines for metalworking; Machine parts, namely, polishing discs for floor polishing machines; Machine tools, namely, powered machines for cutting or shaping or finishing metals or other materials; Machines for manufacturing semiconductors; Metal working machines, namely, machining centers; Metalworking machines, namely, machining centers; Milling machines and grinding machines for the treatment of ceramics and metal; Polishing discs for automated wet-polishing multi-head machines; Polishing machines for use in grinding and polishing metal, wood, ceramics and plastics; Polishing system for use in single-head machines comprising grinding and polishing discs for stone profiling and edges; Power-operated polishers; Power operated metalworking machine tools, namely, milling tools; Semiconductor substrates manufacturing machines; Semiconductor wafer processing equipment; Semiconductor wafer processing machines