metalworking

n. working in metal, making objects out of metal

Metalworking is the craft and practice of working with metals to create structures or machine parts. The term covers a wide range of work, from large ships, bridges and oil refineries to delicate jewellery and instruments. Consequently, this craft covers a wide range of skills and entails the use of many types of tools.
See more at Wikipedia.org...

Noun
1. the activity of making things out of metal in a skillful manner
(synonym) metalwork
(hypernym) formation, shaping

LAVORAZIONE DEI METALLI. METALLURGIA

n. การทำเครื่องใช้โลหะ