Anti-intrusion acoustic alarms; aerial antenna; electric alarm bells; fire alarms; acoustic amplifiers; bar code readers; electric batteries; battery charges; warning bells; blinkers, namely, signaling lights; emergency warning buzzers; electric cables; calculating machines; cameras; central processing units; integrated circuit chips; circuit breakers; electric and electromagnetic coils; commutators; comparators for comparing measurements against a fixed standard; computer keyboards; computer memory chips; computer peripheral devices; computer printers; electric wires and electric terminals; electric connectors; electric converters; electric meters; electric signal detectors; smoke detectors; plotters; blank optical and magnetic discs; databuses; circuit boards; magnetic encoded cards; facsimile machines; gas detectors; high-frequency apparatus, namely, oscillators, microwave generators, microwave guides, antennas, parabolas for microwave signal transmission and reception, integrated circuits, interfaces for computers, electrical inverters, lasers not for medical purposes, light conducting filaments, namely, optical fibers, loudspeakers, magnetic encoders, magnetic tape units for computers, blank magnetic tapes, magnetic wires, magnets; measuring apparatus and instruments, namely, chronographs and digital clocks for use as specialized time recording apparatus; frequency meters, amperometers, voltmeters; microphones, modems, mouse, videophones, printed circuits, printers for use with computers, computer operating programs, radio, radiotelegraphy and telephone receivers, remote control transmitters and receivers, remote control for signals, satellites for scientific and/or telecommunication purposes, sound meters, telemeters, telephones, cellular and cordless telephone sets, telephone receivers, telephone transmitters, telephone wires, teleprinters, teletypewriters, television sets, thermometers not for medical purposes, thermostats, time recorders, transformers, transistors, telecommunication transmitters, transmitters of electronic signals, vehicle radios, blank video tapes, video recorders

construction and repair services, namely, construction and repair of electronic machines and instruments, optical apparatus and instruments, electrical communication apparatus and instruments, electrical distribution or control machines and instruments, and their parts

Communication services, namely, providing communications services in the fields of cellular telephone communication; electronic transmission of data by computer terminal; local and long distance telephone communication; facsimile communications; satellite telecommunication; television broadcasting; radio broadcasting; telex communication; telegraph communications; paging services; cable television broadcasting