40 - Treatment of materials. - Treatment of materials.
41 - Education; providing of training; entertainment; sporting and cultural activities. - Education; providing of training; entertainment; sporting and cultural activities.
42 - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; legal services. - Scientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software; legal services.