42 Evaluation, appraisals, research and reports in scientific and technological fields, namely, surveying; design and development of computer hardware and computer software, services of engineers, namely, surveying, engineering; engineering services, technical project study and calculation namely, consulting services in the field of engineering; mechanical engineering consulting; construction consultation; industrial design; materials testing; technical project studies in the nature of engineering consultation, surveying, mechanical engineering research, physics research, technical research, namely, scientific research; design and research services supplied by engineers in the fields of mechanical and civil engineering; providing expert reports and scientific advice relating to evaluations, appraisals, research and construction, in the fields of chemistry, metallurgy, iron metallurgy, physics, mechanical engineering, electricity, electronics, computer science, thermal engineering, cryogenics, optics, energy, paper, medicine, biology, agriculture, geology, the sugar, agricultural-food and ethanol, automobile, glass, aluminum and cement industries