Icyuma cya 304 kitagira umuyonga gikoreshwa mucyumba cyo guhindura amahugurwa y’ibiryo, kikaba cyorohereza abakozi kubika ibicuruzwa. Hejuru y’igifunga gifite ahantu hahanamye kugira ngo bisukure byoroshye. Hamwe no gufungura ikirango na label ; Uburyo bwo gufunga burashobora byatoranijwe, nkibanga risanzwe rifunga, gufunga urutoki, gufunga ijambo ryibanga nibindi.