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| метод очистки: 61 phrases in 30 subjects |
| Construction | 7 |
| Ecology | 4 |
| Electrochemistry | 1 |
| Electronics | 2 |
| Energy industry | 6 |
| Gas processing plants | 1 |
| General | 1 |
| Intelligence and security services | 1 |
| Makarov | 4 |
| Metallurgy | 3 |
| Metalworking | 1 |
| Microelectronics | 1 |
| Nanotechnology | 2 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 4 |
| Oil and gas technology | 1 |
| Production | 1 |
| Programming | 1 |
| Sakhalin | 4 |
| Sakhalin S | 1 |
| Security systems | 1 |
| Silicate industry | 1 |
| Solar power | 1 |
| Technology | 3 |
| Transport | 1 |
| United Nations | 1 |
| Water supply | 1 |
| Weapons of mass destruction | 1 |
| Wood processing | 1 |