Modeling of human capital reproduction in the mining and metallurgical industry Aleksandr Zhukov, Sergey Pronichkin, Natalia Ovsianikova, Igor Kartsan and Yuri Mihaylov E3S Web Conf., 627 (2025) 04011 Published online: 16 May 2025 DOI: 10.1051/e3sconf/202562704011