The 4265 Gyratory CrusherMay 20, 2016 . A crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. There are five types of crushers; Jaw crusher,.installation of secondary crusher 342 602,Secondary Crushing Equipment - 911 MetallurgistMay 5, 2018 . The term "secondary crushing" has become well established and familiar . This type of installation has been used in a number of plants,.
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