Izinga likawoyela wesikulufa linomthelela omkhulu ekusebenzeni komshini wesikulufa somjovo kawoyela, uwoyela omuhle unokuzinza okuhle kwe-oxidation, ukuhlukana okusheshayo, amagwebu amahle, i-viscosity ephezulu, ukumelana nokugqwala okuhle, ngakho-ke, umsebenzisi kufanele akhethe uwoyela omsulwa okhethekile wesikulufa. . Ukushintsha uwoyela kokuqala ngi...
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