Electric, electronic, facsimile, telex, telephone, telegram, telecommunications, intercommunications, data communications and data acquisition installations, keyboards and keyboard displays associated with communication devices, apparatus and instruments; all for processing, logging, storing, transmission, display, reception, input, output or printout of data and information; pagers; telephones; apparatus for recording, transmission or reproduction of sound or images; radio receiving apparatus, radio transmitting apparatus, combination radio receiving and transmitting apparatus, television receiving apparatus, combination television receiving apparatus and radio broadcast receiving apparatus, video transmission line apparatus and television receivers, all being closed circuit television devices, radio antenna apparatus, radio condensers, electric transformers, vibrators for radio apparatus, loudspeakers for radio and for television apparatus; electric connector sockets, electric wire, electric cable wire, electric connector plugs, electric terminal strips, control knobs for electric apparatus, fuses for electric apparatus, electrical filter units selectively responsive to currents of differing frequency, kits for aligning electrical communication apparatus, monitors for frequency modulation radio stations, mechanical operating parts for electrical apparatus; batteries; earphones and headsets; discs, tapes and wires; all being magnetic data carriers