electrical and electronic apparatus, namely, telephones, radio telephones, radio pagers, facsimile machines, teletypewriters connected by wire through automatic exchanges machines, teleprinters, telegraph machines, modems, telephone answering machines, video cassette recorders, electronic message repeaters, aerials, antennas, microprocessors, electrical and optical amplifiers, electrical transponders, electrical and optical transmitters, electrical and optical receivers, electrical and optical transceivers, electrical switches, switchboards, keyboards, electronic memory chips, electronic display boards, electronic optical scanners, computer printers, satellite dish antennas, encoders and decoders, and computer interface boards, all for processing, storing and transmitting telecommunication; computers for processing, storing and transmitting telecommunications; visual display units, namely, video monitors, light emitting diode displays, electric luminescent panels, liquid crystal displays and plasma screens, all for use with telecommunications apparatus; optical transducers, optical switches and optical fibers, all for use with the aforesaid electrical or electronic apparatus or computers; insulation and protective covering for wire and cables, electrical and optical conduits, junction boxes, electrical and optical connectors, electrical plugs, electrical terminals and electrical sockets, all for use with the aforesaid

installation, repair and maintenance of telecommunications apparatus and instruments

telecommunications services, namely, long distance telephone services, electronic transmission of messages and data, and facsimile transmissions