Affiliation: | 1. ‘Lucian Blaga’ University of Sibiu, Institute for the Study and Valorification of the Transylvanian Patrimony in European Context, B‐dul Victoriei Nr. 5–7, 550024 Sibiu, Romania;2. The Lublin Polytechnical Academy, Department of Material Engineering, ul. Nadbystrzycka 36, 20‐618 Lublin, Poland |