 |
| горивен: 8 phrases in 6 subjects |
| Energy industry | 2 |
| Environment | 2 |
| Forestry | 1 |
| Mechanic engineering | 1 |
| Nuclear physics | 1 |
| Transport | 1 |
|
| горивен: 8 phrases in 6 subjects |
| Energy industry | 2 |
| Environment | 2 |
| Forestry | 1 |
| Mechanic engineering | 1 |
| Nuclear physics | 1 |
| Transport | 1 |