Ws = energy absorbed by unit mass of /kg ... •The particle size feed to these machines may be given as great as 500 mm and the capacity is 500tons/hr. Crushers : Toothed Roll Crushers. Crushers : Toothed Roll Crushers. Breaking Pattern of the Crushers Crusher Compression Impact Attrition Shear Jaw Crusher Y Gyratory Crusher Y Smooth Roll Crusher .