 |
| clarifier: 137 phrases in 34 subjects |
| Animal husbandry | 1 |
| Automated equipment | 1 |
| Biotechnology | 2 |
| Building structures | 1 |
| Caspian | 1 |
| Chemistry | 3 |
| Construction | 13 |
| Ecology | 23 |
| Electronics | 11 |
| Energy industry | 7 |
| Environment | 1 |
| Food industry | 3 |
| Forestry | 1 |
| Gas processing plants | 1 |
| Geology | 1 |
| Gold mining | 1 |
| Hydrology | 1 |
| Makarov | 15 |
| Mass media | 1 |
| Medical | 3 |
| Mining | 2 |
| Natural resourses and wildlife conservation | 1 |
| Oil / petroleum | 2 |
| Oil and gas | 11 |
| Polymers | 1 |
| Production | 1 |
| Pulp and paper industry | 2 |
| Sakhalin | 1 |
| Solar power | 1 |
| Technology | 16 |
| Thermal engineering | 1 |
| Transport | 3 |
| Waste management | 1 |
| Water supply | 3 |