cases.
6.Auger screw can rotate in different direction, a highly useful function to clean and empty the nozzle.
7.When step on pedal, the chocolate will be pumped up. While step off the pedal, the chocolate in the auger screw will be sucked back to the heat preservation zone.
8.Separate temperature control system for bowl and auger part.
9.Temperature of the bowl and pump can be set according to 
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