 |
| внезапно: 455 phrases in 54 subjects |
| Aerodynamics | 1 |
| Artillery | 7 |
| Astronomy | 19 |
| Automated equipment | 5 |
| Aviation | 21 |
| Banking | 3 |
| Beekeeping | 2 |
| Biology | 1 |
| Bulgarian language | 1 |
| Cardiology | 3 |
| Communications | 1 |
| Computers | 5 |
| Construction | 2 |
| Economy | 10 |
| Electric machinery | 1 |
| Electronics | 2 |
| Figurative | 6 |
| Food industry | 2 |
| General | 136 |
| Geology | 6 |
| Geophysics | 3 |
| High energy physics | 3 |
| Hydraulics | 2 |
| Hydrology | 20 |
| Idiomatic | 1 |
| Informal | 9 |
| Law | 13 |
| Mechanic engineering | 1 |
| Medical | 22 |
| Metalworking | 1 |
| Meteorology | 2 |
| Metrology | 7 |
| Microelectronics | 2 |
| Military | 60 |
| Mining | 5 |
| Missiles | 2 |
| Nautical | 2 |
| Navy | 6 |
| Nuclear and fusion power | 2 |
| Oceanography & oceanology | 1 |
| Oil / petroleum | 6 |
| Patents | 2 |
| Physics | 1 |
| Psychology | 6 |
| Public utilities | 1 |
| Rail transport | 2 |
| Reliability | 1 |
| Road surface | 3 |
| Road traffic | 2 |
| Shipbuilding | 9 |
| Sports | 3 |
| Technology | 8 |
| Water supply | 12 |
| Welding | 1 |