gufunga isahani ni uburyo bwo kubaga bukoreshwa mu guhagarika amagufwa. Nisahani yicyuma ifatanye kumagufa ukoresheje imigozi. Imigozi noneho ifunzwe ahantu, itanga umutse.
Gufunga amasahani akenshi bikoreshwa mugihe cyavunitse bigoye cyangwa mugihe ubundi buryo bwo gukosora, nko gutara cyangwa gukosora hanze, ntibikwiye. Barashobora gufasha guteza imbere gukira no kugabanya ibyago byingaruka, nka nonunion cyangwa malunion.