A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting , In materials processing a grinder is a machine for producing fine particle size , SAG mills are primarily used at gold, copper and platinum mines with applications also in the lead, zinc, silver, alumina and nickel industri.
Aluminum is extracted from bauxite ore by way of the Bayer process , Soaring Malaysian bauxite exports a game changer for China supply _ , Then how to put the machines into practice? , how do you extract limestone and what is used how to operation grinding machine how can i get crush quartz how much mining.