Efficiency of wet mechanoactivation of granite using different milling units Alla Cherevatova, Natalia Kozhukhova, Irina Zhernovskaya, Mayya Osadchaya, Igor Klepak and Marina Kozhukhova E3S Web Conf., 126 (2019) 00078 Published online: 30 October 2019 DOI: 10.1051/e3sconf/201912600078