Working principle: This machine is made of gasoline as fuel, consisting of a bottom pressure air supply pump and a gasification barrel. First add the appropriate amount of gasoline, turn on the welding torch by the "outlet pipe", and then insert the 220 volt power indicator light, indicating that the power supply is on, press you The amount of air required to work open the corresponding switch and adjustment button, can ignite the torch head, adjust the "flame adjustment" to produce a blue flame, then start working.