 |
| стальной каркас: 44 phrases in 14 subjects |
| Animal husbandry | 1 |
| Astronautics | 3 |
| Aviation | 2 |
| Construction | 19 |
| Electronics | 3 |
| Firefighting and fire-control systems | 1 |
| Librarianship | 1 |
| Makarov | 2 |
| Military | 1 |
| Nuclear and fusion power | 1 |
| Road works | 2 |
| Sakhalin | 1 |
| Seismology | 1 |
| Technology | 6 |