9 TELEVISION (CLOSED CIRCUIT AND OPEN AIR), ELECTRONICS SYSTEMS, COMPRISING; VIDEO MONITORS, SWITCHING UNITS, SATELLITE DISHES, CABLE AND WIRE; VIDEOPLAYERS (BOTH TAPE AND DISC), COMPUTER TERMINALS, DATA TERMINALS, CENTRAL CONTROL MONITOR FOR VIDEO CASSETTE RECORDERS/PLAYERS; TELEPHONE SYSTEMS COMPRISING, SWITCHING UNITS, KEYSERVICE APPARATUS, SWITCHBOARD AND PHONES