The article provides findings of analytical research into the process of milling friable matter in a ball mill. We have received an expression to determine energy cost of milling with the account of the method of milling and the characteristics of the material to be ground. In the paper. the analytical results of bulk materials grinding process in a ball mill are presented. https://www.bekindtopets.com/mega-save-NHL-Florida-Panthers-Frozen-iPhone-13-Pro-MagSafe-Case-p93068-save-extra/