... DHL,EMS,UPS,etc >One year guarant Name:hot gun welding machine Type 4000I/4000Hvoltage/Frequency220v/50 Hz or ... the end of overlap edge.4. Handling the welding gun to left down, inserting the spout into the gap ... be joined into one. Then handling up the welding gun to the right for stopping it.7. Auto standby: ... .8. Manual power off: Be sure the welding gun is away from the material or ground, and press ...