welding torch![click to hear](/images/speaker.jpg)
Torch for joining metal parts using a flame produced by burning gas.
mixing chamber ![click to hear](/images/speaker.jpg)
Part of the torch where acetylene and oxygen are mixed. The proportion and flow of the gases, regulated by the valves, determine the flame’s properties.
acetylene valve ![click to hear](/images/speaker.jpg)
Valve controlling the volume of acetylene entering the torch.
tip ![click to hear](/images/speaker.jpg)
End of the head tube; combustion takes place where it opens.
head tube ![click to hear](/images/speaker.jpg)
Detachable part conducting the gaseous mixture to the nozzle.
handle ![click to hear](/images/speaker.jpg)
Rigid tube containing the conduits for the welding gas; it also makes the torch easy to handle.
oxygen valve ![click to hear](/images/speaker.jpg)
Valve controlling the volume of oxygen introduced into the welding torch.