42 Consultancy services relating to nuclear engineering; nuclear engineering services; research in the field of controlled nuclear fusion technology; scientific and technological services, namely, scientific research, analysis, and testing in the fields of power generation technology and experimental nuclear fusion and commercial nuclear fusion; scientific research relating to nuclear engineering; design and development of devices for electricity generation; research and development of products for electricity generation; engineering services for the design of structures for electricity generation; provision of information relating to nuclear engineering; technology consultation services in the fields of power, heat, and electricity generation in experimental or commercial fusion; scientific and technological services, namely, research and development of technological products in the field of the production of fusion power as an energy source; scientific and technological design in the field of fusion power production for the purposes of electricity generation; science and technology services in the nature of scientific research relating to nuclear engineering for the development of solutions for the production of fusion power as an energy source