Jurnal Ilmiah Teknologi FST Undana Vol.15, , Edisi …
the secondary jaw crusher used is 70 mm. Based on these data, the company expects to increase the production of crushed stone by 2/3 with a fraction size of -30 + 20 mm to 50%. The company's efforts to increase the 2/3 crushed stone production by 50% by resetting the closed side setting to 50 mm. After