 |
| |||
| gaz sec | |||
| dry gas: 18 phrases in 9 subjects |
| Chemistry | 2 |
| Coal | 2 |
| Earth sciences | 2 |
| Environment | 2 |
| Metallurgy | 3 |
| Natural resourses and wildlife conservation | 1 |
| Physics | 2 |
| Technology | 2 |
| Transport | 2 |
|
| |||
| gaz sec | |||
| dry gas: 18 phrases in 9 subjects |
| Chemistry | 2 |
| Coal | 2 |
| Earth sciences | 2 |
| Environment | 2 |
| Metallurgy | 3 |
| Natural resourses and wildlife conservation | 1 |
| Physics | 2 |
| Technology | 2 |
| Transport | 2 |