Production (cultivation, harvest)=>steaming=>primary process of drying and rolling=>crumpling up leaves=>secondary process of drying and rolling=>final process of drying and rolling=>drying process=>sieving and cutting=>separating process of stalks and branches(=>extraction)
生産（栽培、収穫）⇒蒸熱⇒粗揉⇒揉捻⇒中揉⇒精捻⇒乾燥⇒篩分と切断⇒木茎分離（⇒抽出）