... : 0 - 45°C15) Relative humidity: 30% - 75%Steel Structure CNC Engraver Applicable industry:Wood industry, furniture,woodworker,relief, advertising ... . No oil vacuum pump, high suction,more convenient, stable capability.Five.Advanced DSP system, operated with the handle, ... /cutting machines and so on.we can make carving machines with all specifications to meet users.SAMPLES: Steel Structure CNC Engraver ...