Computer hardware and software design; Computer programming and software design; Computer software consultancy; Design of mechanical and micromechanical components; Design, installation, updating and maintenance of computer software; Designing of machines, apparatus, instruments or systems composed of such machines, apparatus and instruments; Development, updating and maintenance of software and database systems; Hydrologic engineering services; Industrial design; Marine, aerial and land surveying; Product research and development; Radar detection; Scientific research and development; Surveying and engineering; Testing of computer hardware; Testing of computer software; Underwater exploration