Akayunguruzo gakozwe mu rukoma rw'icyuma gato cyangwa mu mwenda, gakoreshwa mu kuyungurura amabara avanze n'amazi, kuyungurura amabara, kunyuza ifu, no gutandukanya ibikomeye n'amazi. Ingano y'utwobo tw'urukoma ni yo igena icyanyura — uko urukoma rugenda ruba ruto ni ko amabara agenda anyerera kandi ibikuwemo bikagira ubuke.