For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a__________________? / Chemical Engineering / Q&A, MCQs / Q&A / By admin For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a__________________? A. Buhrstone mill (Correct) B. Ball mill C. Crushing rolls D. Hammer mill