Diamond-pointed metal-cutting tools; Direct current motors; Grinding machines for metalworking; Machine tool holders; Metalworking machine tools; Nut-tapping 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; Saw machines; Servo motors; Sharpening machines