2021 ukuthengiswa okusha okushisayo okuphansi kwe-Sulfur Petroleum Needle Coke /i-calcined petroleum yenaliti coke
I-Factory ithengisa ngokuqondile
Qedela umugqa wokukhiqiza
Imishini ethuthukisiwe
Iqembu elinesipiliyoni
Ukuphathwa kwekhwalithi okuqinile
Ukulethwa ngokushesha
Izinsizakalo ezinhle zangemuva kokuthengisa