Newspapers, periodicals, magazines (periodicals), books

Films, exposed; sound recording strips, magnetic disks and tapes, floppy disks, magnetic and optical data media

Technical project studies, computer programming services, research and development (for others); technical, scientific and industrial research

Awarding of prizes in order to reward and grant financial aid to research workers in the fields of applied sciences, inventions, explorations, discovery and environment

Publication and edition of newspapers, periodicals, magazines, books and texts (other than publicity texts); organization of competitions (education or entertainment); arranging and conducting of colloquiums, conferences, congresses and symposia; organization of exhibitions for cultural and educational puposes; production of radio and television programmes; film production; video tape film production