mechanical, electromechanical and electronic apparatus, namely, switching elements, specifically electric switches, position switches, single limit switches, inductive single limit switches, multiple limit switches, trip rails for actuating mechanical and inductive limit switches, control cams, namely, trip dogs for actuating mechanical and inductive limit switches, safety switches and enabling switches, non-contact safety switches and enabling switches, joysticks in the nature of electric motion control switches, plug-and-socket connectors, screw connectors for connecting electric wires to electrical apparatus, hand-held pendant stations for machine control, handwheels, namely, hand-held pulse generators for manual positioning of axes and machine tools, programmable cam switch, electronic cam controllers, angle positioners in the nature of a measuring device for angularly positioning objects, electronic angle transmitters for indicating angular positions of objects, write/read-encoders, code readers in the nature of bar code readers and scanners for identification of pallets, work pieces, production transport systems and any parts which flow in a dynamic manufacturing environment and non-contact identifiers in the nature of radio frequency identification tags and tag readers for identification of persons, pallets, tools, work pieces, production transport systems and parts that flow in a dynamic manufacturing environment