| Building | Materials | Product | Passive? | ||||
| Leatherworking Station T4 |  | Fine Leather | 5 |
| Refined Fine Leather | 1 | No |
 | Fine Leather Treatment | 1 | |||||
| Refined Sturdy Leather | 2 | |||||
| Building | Materials | Product | Passive? | ||||
| Leatherworking Station T4 | | Fine Leather | 5 |
| Refined Fine Leather | 1 | No |
| Fine Leather Treatment | 1 | |||||
| Refined Sturdy Leather | 2 | |||||