1) Formation 2) Metalwork 3) Shaping 
Metalworking is the process of working with metals to create individual parts, assemblies, or large-scale structures. The term covers a wide range of work from large ships and bridges to precise engine parts and delicate jewelry. It therefore includes a correspondingly wide range of skills, processes, and tools. Metalworking is a science, art, hob...
[n] - the activity of making things out of metal in a skillful manner
metalwork noun the activity of making things out of metal in a skillful manner