Water quality control services; scientific and industrial research services relating to environmental protection, laboratory research services in the fields of water and water treatment and purification, chemical analysis, chemical research, professional consultancy, technical project study, engineering work, preparation of non-business plans and engineering works (not for construction) in the fields of water and water treatment, advice and expert appraisals in the field of water and effluent treatment, laboratory research services in the fields of treatment of industrial, household, hospital and special waste, refuse, sludge and ash, of recovery of industrial, household, hospital and special waste, bacteriology research services, advice and expert appraisals in the field of industrial, household, hospital, special waste, sludge and ash from urban and industrial stations, computer programming, computer services, namely development, design and update of computer software and software packages, technical consulting and advice in the field of computing, computer rental, design of computer systems and telecommunication systems; scientific and industrial research services for the development and evaluation of the performance of processes and products for physico-chemical treatment of water; scientific and technical studies for the development and evaluation of the operational performance of installations for treatment of drinking or industrial water, for treatment of household or industrial wastewater, as well as for treatment of physico-chemical or biological fluids or sludges; technical audits, advice and work provided by engineers relating to these processes and equipment and to all other treatments of fluids, including in the field of industrial processes; services provided by research centers, in the fields of collection, transport, treatment, cleaning, storage, sanitizing, recovery and disposal of waste and refuse; advice and expert appraisal services in the field of waste and refuse; scientific and industrial research services in connection with environmental protection for waste and refuse collection, transport, treatment, cleaning, storage and recovery; engineering services, technical project studies, engineering work in the fields of design and construction of industrial and urban centers and units for collection, sorting, storage, treatment, recovery and disposal of waste and refuse; consulting regarding environmental protection, urban planning, industrialization and natural resource promotion, information on the environment, study services with regard to economic, social and environmental implications, operations relating to urban planning, industrialization and use or promotion of natural resources, particularly of water

Telecommunications, information on telecommunications, communications via computer terminals or via fibre-optic networks, radio or telephone communication, electronic display services (telecommunications), connection by telecommunications to a global computer network

Education, training courses, entertainment, cultural activities, arranging and conducting of colloquiums, conferences, conventions, seminars, operating online electronic publications, desktop publishing, production of films, films on videotapes or on videographic media, publishing books and non-advertising texts, and online periodicals

Electronic transmission of data and documents via the Internet and other databases; electronic transmission of audiovisual, videographic or written files disseminated and downloadable via electronic communication networks; information on telecommunications; mobile radiotelephony services; providing access to a global computer network; electronic display services (telecommunications); electronic mail

Education; providing of training; entertainment; cultural activities; information on educational or entertainment events; providing recreation facilities; publication of books; rental of books; production of films on videotapes or on all types of audiovisual or sound media; arranging and conducting of colloquiums, conferences or conventions; organization of exhibitions for cultural or educational purposes; electronic publishing of on-line books and periodicals; desktop publishing

Software design and development; development, updating of software; computer programming; conversion of computer data and programs, conversion of documents from a physical to an electronic medium

Education, training courses, entertainment, cultural activities, information on educational or entertainment events, providing recreation facilities, publication of books, lending libraries, production of films on videotapes or on all types of audiovisual or sound media, arranging and conducting of colloquiums, conferences or conventions, organization of exhibitions for cultural or educational purposes, electronic publishing of online books and periodicals, desktop publishing

Design and development of software, development, updating of software, computer programming, conversion of data and computer programs, of documents from a physical medium to an electronic medium