42 Engineering services, namely, engineering for the Energy, Fuels, Electricity production, storage and transmission and production and processing of minerals; Engineering services, namely, engineering for the unit called energy hub where energy carriers are converted, conditioned, and stored; Technological consulting services in the field of alternative energy generation; Technological planning and consulting services in the field of production, generation, storage, transition, distribution of energy; Technological research in the field of production, generation, storage, transition, distribution of energy