p&q university lesson 7- crushing & secondary breaking
Sep 02, 2019 · P&Q University Lesson 7: Crushing & Secondary Breaking GYRATORY CRUSHER. A gyratory crusher uses a mantle that gyrates, or rotates, within a concave bowl. As the mantle makes... JAW CRUSHER. Jaw crushers are also compression crushers that allow stone into an opening at the top of the crusher,...