McLanahan DDC-Sizers are direct drivecrusher-sizers that are used in the primary andsecondaryreduction of friable, low-silica minerals. Used in both surface and underground mining operations, our Sizers can reduce materials such as coal, salt, gypsum, phosphate, limestone, bauxite, petroleum coke, lignite, trona, carbon anodes, oil sands, clay, shale and similar friable minerals. The direct ...