| 331313 |
Extrusion ingot, primary aluminum, manufacturing |
| 331313 |
Ingot, primary aluminum, manufacturing |
| 331313 |
Primary aluminum production and manufacturing aluminum alloys |
| 331313 |
Primary aluminum production and manufacturing aluminum shapes (e.g., bar, ingot, rod, sheet) |
| 331313 |
Primary refining of aluminum |
| 331313 |
Primary smelting of aluminum |
| 331313 |
Refining aluminum, primary |
| 331313 |
Slab, primary aluminum, manufacturing |
| 331314 |
Alloying purchased aluminum metals |
| 331314 |
Aluminum alloys made from scrap or dross |