Scientific and technical apparatus, namely, optical mirrors, prisms sensors, surveying machines and instruments, optical transmitters, optical transceivers, optical data links, optical receivers, scientific measuring instruments, namely, sensing and signaling devices for measuring and quality control of processing, namely, handling, packaging, positioning; apparatus and instruments for weak-current engineering, namely, telecommunications, high-frequency engineering and control engineering, namely, change-over switches, computer hardware, electric capacitors, electric resistors, electrical transformers, fuses, indicator lights, microphones, mounting racks for telecommunications hardware, pickups, signal band separators, cables, exchangers, switches, towers, transmitters, electronic test and measurement devices for use in the fields of networks and telecommunications, namely, instrumentation used to test and certify new and existing data and voice communication cable and coaxial cable, electronic testing equipment, namely, telecommunication line integrity testing apparatus, telecommunications and data networking hardware, namely, devices for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols, high frequency switches, high frequency switching power supplies, automated process control system, namely, microprocessor based hardware and software used to monitor the status of industrial processes and/or machinery, namely, turbines, generators, compressors, power generation, electrical distribution, materials processing, packaging and handling, electronic control systems for machines; photographic apparatus, namely, optical lenses, focusing devices for cameras, lighting devices and housings for taking pictures; film apparatus, namely, optical lenses, focusing devices for cameras, lighting devices and housings for taking motion pictures; optical laser measuring apparatus, namely, apparatus to verify the presence, contours, position or the completeness of objects and to identify objects; control and instruction apparatus and instruments, namely, computer keypads and computer displays; computer software for processing and analyzing measured data; digital cameras; computer hardware comprising digital sensors, namely, CCD-sensors; computers; Peripheral Component Interface (PCI) boards; data processing apparatus, namely, processing units, storage elements