Gufunga isahani uduce duto ni ubwoko bwihariye bwo gufunga isahani yagenewe kuvunika duto, cyane cyane mubice bifite umwanya muto cyangwa imiterere yamagufwa yoroshye. Ibi bice bito bitanga ibyiza byinshi, harimo ingano ntoya, kugabanya ihungabana, kunoza ubwiza, no kongera umutekano.
Twandikire