Iyawa:10-15TPH;15-20TPH;20-30TPH;30-40TPH;50-60TPH
Fasaloli da Fa'idodi:
1. Low makamashi amfani da high samar da yadda ya dace.
2. Karancin sharar albarkatun kasa, babu gurɓataccen ƙura, da ƙarancin gazawa.
3. Kuma saboda tsarin silos na albarkatun kasa, layin samarwa yana mamaye yankin 1/3 na layin samar da lebur.