Birta Manganese, oo sidoo kale loo yaqaan Hadfield steel ama mangalloy, waa in la hagaajiyo XOOGGA , JIDHKA & ADIGA, taas oo ah xoogga awaaxda ugu badan ee xirashada burburiyaha. Dhammaan heerarka manganese-ka wareegsan iyo kuwa ugu caansan dhammaan codsiyada waa 13%, 18% iyo 22% ....
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