Ibyuma byubaka bikwiranye ninyubako zubucuruzi nibikorwa rusange.Kurugero, amaduka, amahoteri, ibitaro, amashuri, ibigo ndangamuco, ibibuga by'imikino, nibindi. Izi nyubako nibikoresho bigomba kuba bifite isura igezweho, biramba cyane, umutekano muke nibikorwa bikora neza, kandi ibyuma birashobora gutanga ibishushanyo byoroshye kandi bitandukanye ko guhuza ibyifuzo byombi nibikorwa byiza.