Toothed roll crushers achieve size reduction by

1.	Toothed roll crushers achieve size reduction by
A.	tearing (shear) and compression.
B.	impact and attrition.
C.	both (a) & (b).
D.	neither (a) nor (b).
Answer» D. neither (a) nor (b).

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Toothed roll crushers achieve size reduction by

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