Ikirangantego gikomeye
Homo | Shingiro rya peteroli MI = 25
Byakozwe mu Bushinwa
Kurwanya umuhondo, impumuro nke.
Ibikoresho byo mu nzu, imifuka yo guhaha, nibindi .Imyenda, gupakira ibikoresho byinkweto; Geotechniki, imifuka yo kurinda imbuto; ibikoresho by isuku, Byakoreshejwe mugukora itapi nibindi.