Igihe cyagendaga gitera imbere, inzira zahindutse nziza.Ibirango byinshi kandi byinshi muri iki gihe bimaze kumenya ko bidakenewe gusimbuza gusa imifuka yabo ya pulasitike y’ibirahure n’imifuka yo mu mpapuro nziza cyane yo gufasha no gufasha ibidukikije;ariko kandi, kugira igikapu cyimpano nziza yimifuka nuburyo bukomeye imvugo uyumunsi kuruta ibindi byose.Ntabwo ari ibirango gusa, ahubwo nabaguzi muri iki gihe bumva ko bakeneye gukoresha imifuka yimpano nziza yimpapuro, haba muminsi mikuru, iminsi y'amavuko, isabukuru, ubukwe, cyangwa ikindi gihe cyose.