The choice of grinding media The choice of grinding media will always depend on the material to be ground. You need to assess its granulometry and the grinding process. You also need to look at the relative importance of the wear mechanisms in the process.
Aug 24, 2014 · investment plans, Minister of Natural Resources, Robert Persaud said yesterday. "It is wrong; it is misleading. And if Bai Shan Lin is saying that, it should withdraw it— and withdraw it immediately, because it is false," Persaud told the Parliamentary Sectoral Committee on .