Welding is not an easy task to do and as you see in this video, the guy has some really nice skills. When you want to get something done and you have the ambition to do it, it is pretty simple. You also need to put a lot of working hours in your hobby so you will succeed. The guy in this video does this and as you see, it truly becomes a form of art.
Fast welding is also an option for someone who want to weld some stuff together. But in order to do it fast, you will have to take advantage of some skills. Not everyone can do this and if not done properly problems may soon appear.
The guy from the video looks like he is doing some welding art and he does it really fast. When you are welding, there is a possibility for your hand to slip. If you do so, you will probably mess up the entire thing. The guy in this video, looks like he knows how to do it without any mistake. He had a lot of practice before and he seems to be really skilled. The video shows how he gets the job done pretty fast.