Ibicuruzwa nyamukuru h beam nyuma yo kumenyekanisha cyane cyane ibikomoka ku ibyuma, reka ntangire umwirondoro w'icyuma. Harimo urupapuro, h beam, i BEAM, U Umuyoboro, C, inguni, umurongo, umurongo, akabari ka kare na ruguru. Turashobora gutanga umukara h beam kandi gahoro gahoro ...