Cigarette production process consists of the following main steps (from a high level and feel free to add on): First, raw materials which include a variety of tobacco leaves and stems are mechanically shredded to become tobacco cuts and then stored. Tobacco lamina (the extended part of the leaf that is divided from the base to the tip by the stem) are passed through a series of treatment, including: slicing, casing and conditioning, blending, cutting and drying. At the same time, tobacco stems a