All the mesh welding machine which installed with water cooling sytem,pls release all the water,when the temperature is below 0 degree

Warning:all the mesh welding machines,such as fence mesh welding machine,construction mesh welding machine,steel wire mesh welding machine,reinforced mesh welding machine, which adapt water cooling system,when the the temperature falls down below 0 degree based on the standard atmospheric pressure, when the machine stops working for 3 hours, please make sure that all the water is released and not stored in the machine.