42 Scientific and industrial research services in the fields of energy, environment, natural resources, oil and hydrocarbons; technical project studies, namely, scientific research and studies in the fields of energy, environment, natural resources, oil and hydrocarbons; engineering services, namely, appraisals in the fields of energy, environment, natural resources, oil and hydrocarbons; drawing up of plans for construction in the fields of energy, environment, natural resources, oil and hydrocarbons; construction consultancy in the fields of energy, environment, natural resources, oil and hydrocarbons; research and development of new processes in the fields of energy, environment, natural resources, oil and hydrocarbons; industrial design in the fields of energy, environment, natural resources, oil and hydrocarbons; quality control in the fields of energy, environment, natural resources, oil and hydrocarbons