Innovative approaches and methods to the implementation of energy-saving measures and technologies at mining enterprisesAlexander Semenov, Yuriy Bebikhov, Ayaal Egorov, Vladislav Shevchuk, Marina Glazun and Leonid DolomanyukE3S Web Conf., 288 (2021) 01109DOI: https://doi.org/10.1051/e3sconf/202128801109