Computers; data processing apparatus; computer interface devices; computer peripheral devices; computer software (recorded); monitors (computer hardware); monitors (computer programs); identity cards, magnetic; computer software for providing an on-line database in the field of transaction processing to upload transactional data, provide statistical analysis, and produce notifications and reports; word processors; display (electronic); anti-interference devices (electricity); branch boxes (electricity); intercommunication apparatus; trunk lines; masts for wireless aerials; radiotelephony sets; telephone receivers; telephone apparatus; telephone transmitters; transmitters of electronic signals; antennas; sound locating instruments; equipment for navigation and telemetering; choppers for interrupting electric currents or beams of radiation; equipment for light-wave communication; carrier wave facility