electric and electronic connectors and clip-on electronic modules, plug-in p.c. card holders, relay sockets, electronic circuits with and without component housing, plug-in electronic construction modules and printed circuit boards and parts thereof; electric and electronic and mechanical measurement, control and regulation equipment, power supply equipment, voltage/current and current/voltage converters, sensor systems for machine tools; namely, auto-focus sensors for laser and flame cutting and welding machines; terminals for electronic and electrotechnical use; terminal components for electrical components, modular terminals, terminal strips, plug and socket connectors and clip-on electronic modules; accessories for the above-mentioned terminals and terminal components; namely, end plates, partitions, covers, end brackets, mounting rails and enclosures, test plugs, sockets, cross connectors, terminal marking material; namely, machines for providing alpha-numeric characters on terminals, connectors and wiring, electric circuits, wire-end ferrules