A dairy-based yogurt product having a protein level above 15%, sometimes more than 25%, with a smooth and rich texture and no grittiness. The cutting assembly is capable of cutting into a dental prosthesis mold. The temperature loss caused by dividing the energization process of each of the heating elements, disposed at the line thermal head, is easily and properly corrected. A plurality of video footage files is continuously being streamed to the storage server and recorded on the storage device.