42 Engineering, services of engineers; scientific laboratory services, scientific and technological project management being services of engineers in the fields of energy and electronics, namely, scientific research; technical assistance being services of engineers, namely, computer software consultancy, computer hardware development, IT consulting services; scientific laboratory services and scientific and technological project management being services of engineers in the fields of energy, namely, scientific research; engineering works, namely, research in the field of energy; engineering services, namely, development of environmentally-friendly sources of energy, products for others, software in the field of energy; engineering services, namely, analyses of chemicals, greenhouse gas emissions, industrial fluids in the field of energy; engineering services, namely, conducting scientific studies in the nature of research and feasibility studies in the field of energy; engineering services, namely, design services in the field of nuclear reactors, plant components, machinery for the energy industry; consulting, and testing of materials in the fields of energy being services of engineers; simulation and monitoring of computer systems in the fields of energy being services of engineers; scientific and industrial research in the field of environmental protection, sustainable development, renewable energies and the impact of the foregoing on the fight against climate change all being engineering services; engineering services, namely, design of nuclear reactors, plant components, machinery for purposes of environmental protection, sustainable development, renewable energies and the fight against climate change; engineering services, namely, conducting scientific studies in the nature of research and feasibility studies in the field of environmental protection, sustainable development, renewable energies and impact of the foregoing on the fight against climate change; engineering services, namely, providing scientific advice and information in connection with environmental protection, sustainable development, renewable energies and the impact of the foregoing on fight against climate change; environmental auditing services for sites, installations and equipment in the fields of energy and electronics, namely, conducting analyses of impact of consumer and industrial products on environmental preservation; design, programming, updating, maintenance and rental of software used in the field of energy, namely, in the fields of renewable energies employed in the fight against climate change, and software for electronic devices and cyber security in the energy industry; chemistry consultation services in the fields of energy and electronics; prevention of pollution risk relating to the activities developed in the fields of energy and electronics being services of engineers, namely, scientific testing, scientific research, chemical consultation services; monitoring of nuclear materials to detect temperature, leaks, degradation, being services provided by engineers; monitoring of nuclear installations and equipment to detect temperature, leaks, degradation, being services provided by engineers; engineering services, namely, monitoring services for plants and centers for intermediate storage, storage, processing, isotopic separation, reprocessing and recycling of fuels, ores, materials used in the nuclear field, nuclear materials, uranium, plutonium and nuclear wastes, nuclear power plants, nuclear reactors to detect temperature, leaks, degradation; design of computer systems and their security; conducting scientific studies in the nature of research and feasibility studies in the field of mixed energy projects and impact on intelligent networks for transport and distribution of electrical energy; security services for computer networks and disseminated data, namely, administering digital certificates, administering digital keys, hard drive erasure