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Agace gatandukanya ibyuma birebire bifite ubunini buhanitse
Porogaramu: Imashini igabanya ubushyuhe bw’impeta nini ikoreshwa cyane mu mabuye y’agaciro ya hematite, limonite, siderite, chromite, ilmenite, wolframite, tantalum na niobium hamwe n’andi mabuye y’agaciro adakomeye, hamwe n’andi mabuye atari ay’icyuma, nka quartz, feldspar mu gukuraho icyuma kibisi no gusukura.
