BEMER 720 No need to put any vegetable oil - No remains from vegitable oil. Keep clean. Long life cycle, semi permanent - All the parts strictly classified give the machine long life. Various kinds of fillings are used - cream, wet fillings, powder, dry fillings, fruits. Ling time-operation - Hardly heat generated gives the machine long time-operation. Anyone can easily operate - Control the speed of the machine due to invert-control. All the containers are light and clean as they are made of PE - Filling hopper, Dough Screw, Dough Case, Turn table. Specially made parts - Soft operation even for long time.