出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2011/08/01 20:13 UTC 版)
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.