 |
| |||
| zone diameter (peregrin) | |||
| диаметр зоны: 24 phrases in 14 subjects |
| Electronics | 3 |
| Energy industry | 2 |
| Firefighting and fire-control systems | 1 |
| Geophysics | 1 |
| Makarov | 2 |
| Mass media | 1 |
| Medical | 1 |
| Metallurgy | 2 |
| Military | 2 |
| Oil / petroleum | 3 |
| Oilfields | 1 |
| Ophthalmology | 1 |
| Plastics | 2 |
| Polymers | 2 |