Ha u khetha moetsi oa granule ea ferrosilicon, ho na le lintlha tse 'maloa tseo u ka li nahanang ho netefatsa hore u khetha mofani oa thepa ea nepahetseng. Hlakisa litlhoko Pele, hlakisa litlhoko tsa hau tse khethehileng tsa granule tsa ferrosilicon, ho kenyeletsoa litlhaloso, boleng, bongata, theko le thomello ...
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