Kutheni i-petroli ibamba umlilo xa idibene nomlilo

Ipetroli, inokukhanya okuphantsi okuqaphelekayo, inokuvutha ngaphandle kokunxibelelana ngokuthe ngqo nomlilo ovulekileyo. Umbane ongatshintshiyo wanele ukuqalisa ukutsha kwepetroli.