GB Ikirangantegoni ubwoko bwibyuma bifite imbaraga nyinshi hamwe no kurwanya ruswa. Mubisanzwe bikoreshwa mubwubatsi, imashini, amato nizindi nganda. Mu nganda zubaka, inkoni zicyuma zirashobora gukoreshwa mugushimangira ibyubaka nkintambwe, ibiraro, amagorofa, nibindi. Inkoni yicyuma irashobora kandi gukoreshwa mugukora ibice byubukanishi, nkibikoresho, ibyuma, ibyuma, nibindi. irashobora kandi gukoreshwa mubwubatsi bwa fondasiyo, ubwubatsi bwa tunnel, ubwubatsi bwamazi nibindi.