| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | casting | metallurgy industry | Casting is a fundamental method in the metallurgy industry for shaping metal by pouring molten metal into a mold. | 1 |
| 2 | siderite | metallurgy industry | Siderite is a significant source of iron ore utilized in the metallurgy industry for iron and steel production. | 1 |
| 3 | smelting | metallurgy industry | Smelting is a crucial process in the metallurgy industry that involves heating and melting raw materials for metal production. | 1 |