| Extract Iron from Iron Ore | 1 |
| Smelt Iron From Large Item | 1 |
| Smelt Iron From Medium Item | 1 |
| Smelt Iron From Medium Plus Item | 1 |
| Smelt Iron From Small Item | 1 |
| Extract Iron from Smaller Items | 1 |
| Smelt Steel From Large Steel Item | 1 |
| Smelt Steel From Medium Steel Item | 1 |
| Smelt Steel From Medium Plus Steel Item | 1 |
| Smelt Steel From Small Steel Item | 1 |
| Smelt Steel From Large Iron Item | 1 |
| Smelt Steel From Medium Iron Item | 1 |
| Smelt Steel From Medium Plus Iron Item | 1 |
| Smelt Steel From Small Iron Item | 1 |
| Extract Steel from Smaller Iron Items | 1 |
| Smelt Large Iron Item | 1 |
| Smelt Medium Iron Item | 1 |
| Smelt Medium Plus Iron Item | 1 |
| Smelt Small Iron Item | 1 |
| Smelt Smaller Iron Item | 1 |
| Smelt Smaller Steel Item | 1 |
| Smelt Large Steel Item | 1 |
| Smelt Medium Steel Item | 1 |
| Smelt Medium Plus Steel Item | 1 |
| Smelt Small Steel Item | 1 |
