Scientific and technological services, namely, research and design relating thereto in the field of chemicals, oil, gas and power generation industries; industrial design; analysis services, namely, chemical analysis, analysis of oil fields, computer systems analysis; research and development of chemical power generation; research and development of oil power generation; research and development of gas power generation; design and development of computer hardware and software, none being for use for dental purposes; engineering services for use in the chemicals, oil, gas and power generation industries; surveying services; exploration services, namely, oil and gas exploration and under water exploration; conducting geological surveys; geological services, namely, geological prospecting, geological estimations and research; environmental research, namely, research in the field of environmental protection; drafting of plans and engineering drawings for others in connection with chemical, oil, gas and power generation industries; analytical services, namely, performance of chemical and oil analysis and computer systems analysis, but not computer systems analysis for dental purposes; technical consultation in the field of chemical plant engineering, namely, testing and evaluation of chemical plant equipment, machinery and apparatus to improve performance and efficiency of such equipment, machinery and apparatus; medical research services