Gutanga Akabari Gatambitse- Itsinda ry'Umwami 

Icyuma giteretse bivuze icyuma gifite ubugari bwa mm 12-300, ubugari bwa mm 3-60, gifite igice cy'urukiramende n'inkombe ntoya. Icyuma giteretse gishobora kuba icyuma cyarangiye, cyangwa gishobora gukoreshwa nk'igidafite aho gihuriye no gusudira imiyoboro n'agasate gato ko gutemberamo. Ikoreshwa ry'ingenzi: Icyuma giteretse nk'ibikoresho gishobora gukoreshwa nk'icyuma giteretse, ibikoresho n'ibice bya mekanike, kandi kigakoreshwa nk'ibice by'inyubako n'igorofa.