42 Scientific and technological services, namely, research, development, engineering, design, planning, and project implementation and management in the field of commissioning, testing, and maintaining protective relays in electrical, power, and energy systems; technical consulting services in the field of commissioning, testing, and maintaining protective relays in electrical, power, and energy systems; research and development and consultation related thereto in the field of commissioning, testing, and maintaining protective relays in electrical, power, and energy systems