![]() |
|
Clamshell : 154 phrases in 34 subjects |
| Astronautics | 2 |
| Automobiles | 1 |
| Aviation | 11 |
| Caspian | 2 |
| Cement | 1 |
| Construction | 19 |
| Electronics | 4 |
| Fish farming pisciculture | 1 |
| Forestry | 1 |
| General | 7 |
| Geology | 1 |
| Librarianship | 1 |
| Makarov | 2 |
| Mechanic engineering | 1 |
| Medical | 2 |
| Military | 1 |
| Mining | 12 |
| Nanotechnology | 1 |
| Natural resourses and wildlife conservation | 1 |
| Nautical | 5 |
| Navigation | 2 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Packaging | 1 |
| Polygraphy | 3 |
| Rail transport | 6 |
| Road works | 6 |
| Roll stock | 2 |
| Soviet | 1 |
| Space | 16 |
| Sports | 1 |
| Technology | 31 |
| Thermal engineering | 1 |
| Transport | 6 |