Crusher - WikipediaA crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. .. Jaw crushers are heavy duty machines and hence need to be robustly . Gyratory crushers can be used for primary or secondary crushing.secondary crushing with jaw crusher,secondary crushing with jaw crusher,Secondary jaw crusher design for stoneAug 16, 2016 . Jaw Crushers are one of the primary crushers frequently used in the mining, Jaw Crushers are often the perfect secondary jaw crusher.
secondary crushing with jaw crusher