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The technique applied in plastic welding is just about like what is used in spot welding. The only difference is that heat is transferred through pincher tips in plastic welding instead of electrical conduction. The two pieces of plastic are placed together and heat tips are used to pinch them, which melts the plastic causing [...]

Aluminum welding is little different from other types of welding simply because of the different materials involved. As the properties of aluminum differ from those of other metals such as iron, you will need to make extra preparation for the material and apply a slightly different technique in order to get a solid weld. You [...]