[Industrial Knowledge] How is metal fabrication done? Metal fabrication produces metal structures through cutting, bending and assembly processes. It is a value-added process involving the creation of machines, parts and structures from a variety of raw materials. Metal fabrication refers to the production activities of humans that process metal-based materials composed mainly of metal elements or metal elements. As with other manufacturing processes, both manual and automated are common. The products manufactured can be called manufacturing, and the shops that specialize in such work are called manufacturing workshops.