There are two processing stage in plant A, primary and secondary crushing. In primary stage, jaw crusher as a crushing tool, where the result is accomodate in stone cellar. ... (ton/jam) Effisiensi Alat (ton/jam) Jaw Crusher 350 244,22 69,78% Cone Crusher I 306 229,58 75,03% Cone Crusher II & III 155 117,91 76,07% Sumber :Hasil Perhitungan ...Web