Ho sebelisa theknoloji ea rona ka ho fepa ka le lijo liindasteri le. boo hangata makhetlo, ha o nahana ka ho electrostatic thulaganyou e beneficiation, thepa e tlang kelellong e kenyelletsa lihlahisoa tsa indasteri tse kang

Ho feta ho tloha fofa hao molora litšila le molapo. E Thehiloe ho phuputso e selemo le selemo entsoeng ke American mashala Ash Association (ACAA) pakeng 1966 le 2011, ho feta 2.3 bilione lekgutshwanyane