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dash- dot line : 37 phrases in 19 subjects |
| Architecture | 3 |
| Cartography | 1 |
| Cement | 1 |
| Construction | 2 |
| Drilling | 1 |
| Electronics | 2 |
| General | 2 |
| Librarianship | 1 |
| Machinery and mechanisms | 2 |
| Makarov | 3 |
| Mechanic engineering | 2 |
| Metallurgy | 2 |
| Military | 1 |
| Oil / petroleum | 1 |
| Physics | 1 |
| Programming | 3 |
| Rail transport | 4 |
| Road works | 1 |
| Technology | 4 |