Professor of the Department of Computerized Engineering, Ivano-Frankivsk National Technical University of Oil and Gas. MAIN DIRECTIONS OF SCIENTIFIC RESEARCH Mathematical modelling, development of technological processes of strengthening parts by coatings and assembling the products, experimental study of plasma electrolytic oxidation of parts, electrochemical chromium plating, nanomaterials, environmentally friendly and resource-saving technologies, corrosion and wear research, intellectual property. REFERENCES https://www.scopus.com/authid/detail.uri?authorId=6507116986 http://orcid.org/0000-0002-9374-2550 Contact e-mail: l_ropjak@ukr.net