Ni awọn iwakusa ile ise, awọn boṣewa definition ti beneficiation ni eyikeyi ilana ti o se (anfani) the economic value of mined ore. Removing valueless materials, results in a higher grade of

Lojo sonde, April 22nd, aye se Earth Day. O bẹrẹ ni 1970 ki o si ti di ohun lododun ibalopọ woye lori kanna ọjọ, ibi ti orisirisi awọn iṣẹlẹ ti wa ni waye lati