Chucks for power drills; Linear actuators; Machine parts, namely, joints and joint parts for connecting sliding strips, plates and guides; Machine tools, namely, jaws for use in the precision clamping of work pieces; Metalworking machine tools; Photo-engraving machines; Power tool accessories, namely, cutting guides; 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; Rail switch for an industrial conveyor assembly comprising straight and curved rails, upright bridge framework and pivoting gates for the transfer of product from one rail to another; Railway derail, namely, power-driven mechanical controls for use on a rail to control movement on the rail; Toolholders for metalworking machines (machine parts)