Disclosed are processes for producing glycerol related products. The apparatus further includes a voltage controller that controls the voltage applied to a charging portion of the belt, and a recording controller that transmits recording medium information on the recording medium to the voltage controller. A terminal includes a look-and-feel package obtaining unit, configured to obtain a look-and-feel package comprising attribute information of the look-and-feel package; and a sorting unit, configured to create an appropriate storage object for the look-and-feel package and store the look-and-feel package in association with the storage object. The pull tab is attached inside the bag between the two perforated lines and has at least has one loose end extending outside the bag. In certain example embodiments of this invention, the lateral position of the rear drive wheels may be selectively adjusted as desired by the operator.