On the other hand, the black tea mass-produced using modern Western machinery is divided into four main categories according to size and shape: leaf, broken, fannings and dust. "Dust" is mainly used in tea bags.
至於現代西方機器大量產製的紅茶，則依形狀大小分為：葉茶、碎茶、片茶與末茶四大類，其中末茶主要用來製作袋茶。