Igishushanyo cya peteroli coke-Ubwiza buhanitse
Kokiya ya peteroli ishushanyije ikozwe muri kokiya ya peteroli nziza cyane ku bushyuhe bwa 2500-3000 ° C. Nibikoresho byiza byo mu rwego rwo hejuru, bifite karubone ihamye hamwe na sulferi nkeya. Ibirimo ivu bike, igipimo kinini cyo kwinjiza nibindi. Irashobora gukoreshwa mu gukora ibyuma byujuje ubuziranenge, ibyuma bikozwe mu byuma, kandi birashobora no gukoreshwa nk'inyongera ya plastiki na reberi.
