 |
| gaz perdus: 20 phrases in 5 subjects |
| Chemistry | 9 |
| Metallurgy | 3 |
| Natural resourses and wildlife conservation | 4 |
| Technology | 3 |
| Textile industry | 1 |
|
| gaz perdus: 20 phrases in 5 subjects |
| Chemistry | 9 |
| Metallurgy | 3 |
| Natural resourses and wildlife conservation | 4 |
| Technology | 3 |
| Textile industry | 1 |