Optimization quality indicators of oils during induction heating Svetlana Marchenkova, Liudmila Kulagina, Tatiana Kulagina, Tamara Yenutina, Sergey Khudonogov and Sholpan Kubekova EPJ Web Conf., 321 (2025) 02012 Published online: 10 March 2025 DOI: 10.1051/epjconf/202532102012