Power distribution and control machines and apparatus, namely, [ electric connectors, plugboards,] lightning arresters; [ phase modifiers, batteries and cells, electric and magnetic meters and testers, ] electric wires and cables, antennas, [ aerials,] receiving apparatus, namely, level setters, amplifiers, filters, mixtures, channel preset amplifiers, pilot signal generators, channel proper amplifiers, converters; head end apparatus, namely, channel processors, subrack signal processors, subrack demodulation units, [ ghost clear units; ] subrack type TV modulation apparatus, and other apparatus, namely, BS digital transmodulators, audio-Video distribution units, data transmission units, head amplifiers, input units, output units, mixing units, pilot signal generator units, power source units, [ audio multiplex mixing signal generators, ] desk-top modulators, [ one way addressable center unit, ] field information service center device, converters, status monitor; transmission apparatus, namely, subracks, optical transmitters, optical receivers, amplifiers, unfailure power supply, power supply, power injectors, tap offs, taps, converters; terminal units and data communication apparatus, namely, surge arresters, CATV home boosters, wall outlets, cable modems, [ light breeze headend link controller and cable modems, local broadband subscriber lines, ] optical signal transforming terminal, field information terminal, CATV home terminal; [ electronic circuits, magnetic disks, cd-rom and other storage mediums recorded with computer programs for operating video server networks and multimedia server networks used in cable television industry, telephone industry and broadcasting industry, ]electronic machines and apparatus, namely, computers for operating video server networks and multimedia server networks used in cable television systems, telephone systems and broadcasting systems, [ integrated circuits, large scale integrated circuits,] computer programs for operating video server networks and multimedia server networks used in cable television systems, telephone systems and broadcasting systems; and parts thereof

[ General building construction; plumbing; installation of machinery for cable television broadcasting and other machinery installation, namely, machinery installation for data communication apparatus; electrical works, telecommunication wiring; telecommunication cables system installation for cable television broadcasting; repair and maintenance of office machines and apparatus; repair or maintenance of measuring and testing machines and instruments, repair and maintenance of machines and apparatus for cable television broadcasting and other telecommunication machines and apparatus, repair and maintenance of computers, namely, electronic circuits, magnetic disks and other peripheral equipment machines and apparatus recorded with central processing units and computer programs, repair and maintenance of power distribution and control machines and apparatus, repair and maintenance of power generators ]

[ Communications by computer terminals, cable television broadcasting, rental of telecommunication equipment, namely, wire communication machines and apparatus, telephones and facsimile apparatus, providing information about cable television broadcasting; cable television broadcasting consultancy ]

[ Architectural design for others; conducting surveying, geological surveys and research; designing for others of cable television broadcasting systems and other machines, apparatus, instruments, namely, data communication apparatus including their parts; technical advice relating to performance, operation of computers, automobiles and other machines that require high levels of personal knowledge, skill or experience of the operators to meet the required accuracy in operating them; technical advice relating computer software on cable broadcasting telecommunication and information processing; computer software design for cable broadcasting telecommunication and information processing and other computers software design for others, computer programming for others, maintenance of computer software for others; rental of computers, namely, electronic circuits, magnetic disks, magnetic tapes and other peripheral equipment machines and apparatus recorded with central processing units and computer programs; providing legal information on management of cable television broadcasting, namely, electric ware law, copyright licensing law, conducting research on telecommunication and cable broadcasting telecommunication; general civil engineering ]