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Zeziphi iindlela zoHlelo lweMathiriyeli eRefractory?
Kukho iintlobo ezininzi zemathiriyeli ekrwada kunye neendlela ezahlukeneyo zokuhlela. Kukho iindidi ezintandathu ngokubanzi. Okokuqala, ngokwamacandelo ekhemikhali ye-refractory raw materials clas...Funda ngokugqithisileyo
