Because the operating probe has a heating effect, the probe should be cleaned in time after each operation. If it is not scalded, it can be washed with normal saline, and the whole probe cannot be washed directly in water. It should be wiped with a wet soft rag.

The probe of the engraving instrument is not hot. It is a numerical control machine tool. Metal engraving machine can cut and punch metal or nonmetal plates and pipes in a non-contact way, especially suitable for stainless steel plates.