Welding is the process of joining materials. It is usually for joining metals.
Energy sources such as a gas flame, a laser, an electric arc, an electron beam, ultrasound and friction can be used for welding. Welding can be done in the air, on land, under water and even in space.
It is a dangerous job and precautions should be taken to avoid injury.
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good morning all, Where did you all get the picture of the diver welding on the table?
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