Data processing apparatus; Processors (central processing units); Counters; Digital plotters; Precision balances; Anti-interference devices (electricity); Modems; Video projectors; Precision measuring apparatus; Audiovisual teaching apparatus; High-frequency apparatus; Coaxial cables; Chips (integrated circuits); Couplings, electric; Heat regulating apparatus

Technological research; Research in the field of physics; Design services; Quality control; Calibration (measuring); Chemical analysis; Medical research; Material testing; Industrial design; Software as a service (SaaS); Consultancy in the design and development of computer hardware; Computer programming; Providing information relating to computer technology and programming via a web site; Platform as a Service (PaaS); Graphic arts design

Teaching; Instruction services; Providing information in the field of education; Training services provided via simulators; Arranging and conducting of colloquiums; Organisation of exhibitions for cultural or educational purposes; Arranging and conducting of symposiums; Arranging and conducting of in-person educational forums; Lending library services; Publication of books; Online publication of electronic books and journals; Providing online electronic publications, not downloadable; Film production, other than advertising films; Production of radio and television programmes; Entertainer services