Ho ba teng ha lesela la zinki ho tlisitse mathata a itseng ho cheselletsang tšepe ea masenke. Mathata a ka sehloohong ke: kutloisiso e ntseng e eketseha ea mapetsong a tjheseletsa le li-pores, mouoane oa zinki le mosi, ho kenyeletsoa ha oxide slag, le ho qhibiliha le tšenyo ea ho roala zinki. Har'a bona, ho cheselletsa crack, moea ...
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