 |
| обратная промывка фильтров: 29 phrases in 15 subjects |
| Caspian | 1 |
| Construction | 1 |
| Ecology | 1 |
| Energy industry | 1 |
| Geology | 1 |
| Hydraulics | 1 |
| Karachaganak | 5 |
| Makarov | 3 |
| Mining | 1 |
| Oil and gas | 3 |
| Packaging | 1 |
| Sakhalin | 6 |
| Technology | 1 |
| Transport | 1 |
| Weapons of mass destruction | 2 |