Ibicuruzwa

Ibice by'umupira bikoreshwa mu gupfunyika bigizwe n'icyuma gishyirwa mu nzu y'icyuma gishobora gushyirwa ku ruhande rw'icyuma gishyigikiwe. Imiterere y'imbere y'icyuma gikoreshwa mu gupfunyika ni imwe n'iy'icyuma gikoreshwa mu gupfunyika kirambuye. Ariko intera y'imbere y'iki gikoresho ni nini kuruta iy'inyuma. Intera y'inyuma ifite ubuso bw'uruziga. Intera y'umupira ishobora kwihuza n'aho ihurira n'intera iri hagati y'intera y'inyuma n'igice cy'icyuma gikoreshwa mu gupfunyika. Intera y'umupira ikoreshwa mu gupfunyika ni nto.'byoroshye gupakira no gupakurura.