 |
| ash handling system: 13 phrases in 6 subjects |
| Electronics | 1 |
| Energy industry | 4 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Rail transport | 1 |
| Technology | 5 |
|
| ash handling system: 13 phrases in 6 subjects |
| Electronics | 1 |
| Energy industry | 4 |
| Makarov | 1 |
| Natural resourses and wildlife conservation | 1 |
| Rail transport | 1 |
| Technology | 5 |