Welding process is an essential craft in the world of metal-mechanics, whose importance often goes unnoticed but is fundamental. This art focuses on the creation and manipulation of sheet metal for the manufacturing of a wide range of components and structures crucial in various industries. From tanks and pressure vessels to pipes and metal structures, packaging plays an essential role in the construction and manufacturing of products we use every day. In this brief introduction, we will explore the relevance of metalworking in modern engineering and how its expertise in metal shaping contributes significantly to infrastructure and industry around the world.