format abstract of jaw crusher
format abstract of jaw crusher. An Evaluation of the Effects of Primary and CrossContamination . Feb 6, 2015 Abstract. Quartz crystals from the Batatal site, Minas Gerais, southern Brazil, were used to determine quantitatively primary contamination when submitting the samples to milling processes. Crushing devices used were a primary steel jaw crusher (br1), a secondary tungsten carbide (WC