rotary attachment 1. CE and FDA certificate 2. ... driverAssistant equipment(spare parts)Exhaust-fans water pumpair pumpLimit switch on x,y,z axisUSB portSoftware supportedCorelDraw, AutoCAD , ... C~45°COperating humidity5%~95% Advantages1.limit switch 2. Emergency safty switch 4.USB port connection, LCD screen. ... pump and water pump/chiller.10. water protection switch for laser tube,if there is no water ...