Hello guys I appreciate everybody for good works we are doing on this forum. Can someone please explain to me in details the difference between tones of sands we have. For instance I keep hearing 5 tones, 10 tones, 20 tonnes,etc of laterite or granite want to really know what make up each ton. We soon start a project and I want to have full understanding of some of these stuff. Before one engr open office for my head.Thanks in advance