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Evaluations, estimates, research and reports in the fields of science and technology, namely, expert reports of engineers; industrial analysis and research services in the field of engineering; chemical and biotechnological analysis services, chemical and biotechnological research services involving modified enzymes; technical project studies in the field of engineering; research and development for others of chemical reagents; material testing; mechanical research; physics research; research in the field of environmental protection; technical research in the field of engineering; oil prospecting; oil-field surveys