I-coke ye-petroleum ene-calcined S: 3%
Ifektri ithengisa ngqo
Umugqa wokukhiqiza ophelele
Imishini ethuthukisiwe
Ithimba elinolwazi
Ukuphathwa kwekhwalithi okuqinile
Ukulethwa okusheshayo
Izinsizakalo ezinhle ngemuva kokuthengisa
SEBENZISA AMAKHASI











