Ubuso Bunini n'Ububi bw'ibidukikije: Ikoresheje moteri ya mazutu ikoreshwa cyane, ifite ubushobozi bwo guhangana n’ubutumburuke buri hejuru n’ubushobozi bwo gutangiza ubushyuhe buri hasi, bigatuma ikora neza mu duce duto nko mu butumburuke buri hejuru n’ubushyuhe buri hasi, bigatuma imirimo yo kubaka itera imbere mu bihe byihariye.
Gutanga umwuka uhoraho mu buryo bunini, imikorere myiza: Moteri ya mazutu, ifite uburyo bwo kuyikoresha mu buryo butaziguye cyangwa uburyo bwo kuyikoresha mu buryo bworoshye, ishobora gutanga umwuka ufunze uhoraho, ukoresha igitutu kiri hagati kugeza hejuru, ihuye n'ibikenewe mu bikoresho bikoresha umwuka mwinshi nko gutobora mu mwobo, imashini zikoresha amazi, na sisitemu zo gukuraho ingese/umucanga.
