42 Information technology (IT) consultancy; IT consultancy, advisory and information services; IT project management; technological consultancy in the field of software design, research and development, and in the field of electric and electronic hardware design, research and development; technical engineering; computer technology consultancy; engineering services; expert opinion relating to technology, namely, IT consultation services; computer security consultancy; technical research in the field of software and electric and electronic hardware; engineering research; industrial design; product design and development; product development; technical consultancy relating to product development; product research and development; computer aided design services; graphic design; engineering project management services; programming of electronic control systems; software development, programming and implementation; support and maintenance services for computer software, namely, troubleshooting of computer software, and updating of computer software; updating of computer software; software design and development; programming of telecommunications software; computer technology consultancy, namely, technological design services; construction drafting; designing of electronic systems; design of mechanical, electromechanical and optoelectronic apparatus and instruments; design of telecommunications apparatus and equipment; design and development of wireless data transmission apparatus, instruments and equipment; design and testing of new products; testing of software, and of electric and electronic hardware, authentication of software, and of electric and electronic hardware and quality control for others; scientific research consultancy, namely, development of testing methods; calibration being measuring services; quality assurance consultancy; engineering services, namely, preparation of technical reports; research in the field of telecommunications technology; engineering services, namely, development of industrial processes; consultancy in the field of computer system analysis; consultancy and information services relating to computer system integration; computer systems integration services; troubleshooting of computer software problems