Metal fabrication plays a huge part in the industrial world. The quality of large metal parts must be assured since subpar quality can and will lead to subpar results. After all, these large and sophisticated fabricated metals are used in crucial applications, such as bridges, gigantic valves and aquatic vessel components. These are simply applications where you want to eliminate, or at least minimize, risks.Metal fabrication involves a number of processes and each of them must be performed with precision. One of the most important processes is welding. This process is the main focus when it comes to steel fabrication. Parts that were formed and machined are later assembled as preparation for welding. After they are welded together, another check is done to ensure accuracy.