 |
| |||
| chrome tanning | |||
| tannage chrome: 9 phrases in 5 subjects |
| Chemistry | 1 |
| Environment | 2 |
| Industry | 4 |
| Leather | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| chrome tanning | |||
| tannage chrome: 9 phrases in 5 subjects |
| Chemistry | 1 |
| Environment | 2 |
| Industry | 4 |
| Leather | 1 |
| Natural resourses and wildlife conservation | 1 |