1, Nubunini bwubucuruzi, uburemere bworoshye, byoroshye gutwara no kubika.2, Irakoreshwa cyane muburyo butandukanye bwo gutanga amakuru ukurikije guhindura imbere imbere hamwe nibikoresho byahujwe.3, Umutekano wo hejuru.
Ikoreshwa mukunywa no gusohora ubushyuhe bwo hejuru hydrocarbone, paraffin, uruganda rwa peteroli hamwe namavuta kuva mubwato kugera ku nkombe, ikamyo ya tank, gari ya moshi nibindi.
Ikoreshwa mu guswera no gusohora hydrocarbone, ibishishwa, paraffine kuva mu bwato kugera ku nkombe, ikamyo ya tank, gari ya moshi n'ibindi.