Boring machines for metalworking; Centrifugal separators; 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; Drilling machines; Drilling machines and parts therefor; Filters and purifiers for machines, namely, filters and purifiers for removing contaminants from gases used in the semiconductor industry; Grinding and polishing machines; Honing machines for metalworking; Machine parts, namely, work holding fixtures for precision machining applications; Machines and machine tools for the cutting and forming of materials; Metal working machines; Metalworking machine tools; Milling-drilling machines; Oil centrifuges; Oil filters for mechanical purposes; Power operated metalworking machine tools, namely, boring tools; Power operated metalworking machine tools, namely, drilling tools; Power operated metalworking machine tools, namely, milling tools; Precision machine tools, namely, hard metal tools, high speed steel (HSS) tools, carbide tools, ceramic tools, poly crystalline diamond (PCD) tools, and diamond-coated and diamond-uncoated tools, and hard metal tools, all for use in the cutting and forming of materials by others; Sharpening machines; Tool grinding machines