Recorded computer programs for use in database management, use as a spread sheet, word processing; downloadable computer software for use in database management, for use as a spreadsheet and word processing; computer software, recorded for use in database management, use as a spread sheet, word processing; electronic machines and apparatus and their parts, namely, semi-conductor elements in the nature of thermistors, electronic circuits not including those recorded with computer programs; downloadable computer software for diagnostics and troubleshooting; personal digital assistants; telecommunication machines and apparatus, namely, wire communication machines and apparatus in the nature of teletypewriters, automatic telegraph machine, phototelegraphy apparatus, manual telegraph apparatus, facsimile machines, transmission machines and apparatus for telecommunication in the nature of audio frequency transmission machines, cable transmission machines, power-line transmission machines and apparatus, open-wire transmission machines in the nature of fiber optic repeaters, transmission and repeating machines, radio communication machines and apparatus in the nature of portable radio communication machines, aeronautical radio communication machines, multichannel radio communication machines for fixed stations, single channel radio communication machines for fixed stations, vehicular radio communication machines, remote control telemetering machines and instruments in the nature of Loran navigation machines