41
Education and instruction services; Training courses; Arranging, conducting and organisation of seminars; Arranging, conducting and organisation of webinars; Arranging, conducting and organisation of congresses; Arranging, conducting and organisation of symposiums; Arranging, conducting and organisation of workshops; Arranging, conducting and organisation of conferences
42
Science and technology services; Engineering services; Natural science services; Scientific research; Industrial research; Technical research; Technological research; Mechanics research; Research and development services; Technical research projects and studies; Research and development of new products; Consultancy services relating to technological research; Consultancy in the field of scientific research; Consultancy in the field of industrial research; Scientific advisory services; Technological advisory services; Expert opinion relating to science and technology; Technical and scientific project planning; Testing, authentication and quality control; Technical measuring and testing; Development of measuring and testing methods; all above mentioned services in the field of rotor blades for wind turbines