7 Machine tools, namely, machines for manufacturing and repairing 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, machines for grinding, polishing, eroding, and reconditioning tools, laser machines for engraving, cutting, and welding tools, numerically controlled machines and machine tools used for machining parts, and wood working machines for manufacturing and repairing woodworking tools, namely, saws and blades; saw blade sharpening machines; saw tooth setting machines for woodworking; planing knife grinding machines; machine replacement parts for the aforementioned machines and machine tools; saw blade guides as machine parts; machines for metal and wood working, and machines for plastic processing; machines for processing chemicals, namely, disintegrators, agitators, presses, separating machines, dissolving machines, extracting machines, sintering machines, emulsifying machines, kneading machines, sorting machines, calcining machines, granulating machines, blending machines, and filtering machines for chemical processing; and replacement machine parts for the aforementioned machines