Sisitemu yo kugaburira ingurube na sisitemu yo kugaburira inkoko
Sisitemu yo kugaburira byikora ifunze neza kandi igizwe na silo, sisitemu yo gutwara, gupima silinderi, hamwe nigaburo ryibiryo nibindi.Itezimbere imicungire yimirima yose, igabanya kwandura umusaraba kandi ikamenya uburyo bwo gukora cyane.