 |
| age distribution: 30 phrases in 18 subjects |
| Agriculture | 1 |
| Economy | 11 |
| Energy industry | 1 |
| Forestry | 2 |
| Makarov | 1 |
| Mass media | 1 |
| Mathematics | 2 |
| Medical | 1 |
| Oil / petroleum | 1 |
| Oil and gas | 1 |
| Polymers | 1 |
| Psychology | 1 |
| Pulp and paper industry | 1 |
| Quality control and standards | 1 |
| Sociology | 1 |
| Statistics | 1 |
| Technology | 1 |
| Wood processing | 1 |