Mineral Processing , Austria - Roll CrusherThe roll crusher WB is used as a secondary and tertiary crusher. Depending on feed material and application – soft or hard, abrasive material – we have the right.roller crusher, Mineral Processing , Austria - Cone CrusherThe hydro-cone crusher CC is optimally suited for economic medium and fine reduction of hardest . This secondary crusher can be provided with various crushing tools and produces a uniform cubic end product. . MFL Roll Crusher WB.