Metal fabrication, in Salem, is defined as the process of assembling, cutting and bending of metals. The process of cutting metal includes chiseling, sawing, etc, and this work is either executed manually, or mechanically with the help of electrical power. The process of assembling and bending involves welding and hammering, respectively. Fabrication of metals requires both human labor and mechanical support. Fabrication is performed in shops that are popularly known as 'fab shops'. The tools or machines involved in metal fabrication are usually boilermakers, ironworkers and millwrights. Apart from this, trucks and trains are also used for moving metals form one place to another. Welding is essential for fabrication of steel to prevent rusting. Metal fabrication, in Salem, is comparatively cheap. Metal fabrication needs to be done by skilled labors and they should undergo proper training in it. One should be aware of the advantages and disadvantages of a metal before fabricating it.