Ana yin ɓangarorin yumbu ta hanyar harba albarkatun yumbu ta hanyar matakai kamar tantancewa, ƙima mai ma'ana, gyare-gyare, da bushewa. Tsarin bushewa yana ɗaya daga cikin matakai mafi mahimmanci, kuma yanayin bushewa zai sami wani tasiri akan ingancin amfani da baya.
A.
B.Dakin bushewa na wucin gadi ya kasu kashi uku: babban dakin bushewar rami, karamin dakin bushewar rami da dakin bushewar dakin. Ko da wanene aka karɓo, ana sanya rigar billet ɗin da hannu ko ta inji. Ana tura tari akan motar busarwa zuwa ɗakin bushewa don bushewa. Matsakaicin zafi a cikin ɗakin bushewa gabaɗaya yana fitowa ne daga ƙazantar daɗaɗɗen kiln ko tanderun iska mai zafi.
A taƙaice, zabar hanyar da ta dace don bushe ɓangarori na yumbu na iya inganta taurinsa da aiki yadda ya kamata a mataki na gaba. Idan ba a kai matakin bushewa ba, tabbas zai shafi ingancin amfani daga baya, don haka dole ne masana'anta Kula da matakin bushewa.