Parts of machines in the nature of mechanical seals; Nozzles for particle blast cleaning machines and structural parts thereof; Valves being parts of machines; Hydraulic intensifiers being parts of machines; 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; Pumps fo...