Substantiation of averaging the content of mined ores with account of their readiness for miningTursyn Kalybekov, Kanay Rysbekov, Dilda Nаuryzbayeva, Ayan Toktarov and Yryszhan ZhakypbekE3S Web Conf., 201 (2020) 01039DOI: https://doi.org/10.1051/e3sconf/202020101039