Media type: E-Article Title: Preface Contributor: Vasa, László imprint: Obuda University, 2023 Published in: Acta Polytechnica Hungarica Language: Not determined DOI: 10.12700/aph.20.10.2023.10.1 ISSN: 1785-8860; 2064-2687 Keywords: General Engineering Origination: Footnote: Access State: Open Access