Mineral processing | metallurgy | Britannica
This material is the feed for the grinding mill. Grinding. In this process stage, the crushed material can be further disintegrated in a cylinder mill, which is a cylindrical container built to varying lengthtodiameter ratios, mounted with the axis substantially horizontal, and partially filled with grinding bodies (, flint stones, iron or steel balls) that are caused to tumble, under the influence of gravity, by revolving the