 |
| space frame: 39 phrases in 16 subjects |
| Aluminium industry | 2 |
| Astronautics | 1 |
| Automobiles | 2 |
| Caspian | 1 |
| Construction | 8 |
| Electronics | 1 |
| General | 2 |
| Makarov | 2 |
| Military | 1 |
| Nautical | 5 |
| Road works | 2 |
| Seismology | 5 |
| Shipbuilding | 1 |
| Solar power | 2 |
| Technology | 2 |
| Telecommunications | 2 |