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| "Обсервер" | |||
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| Обсервер | |||
| The Observer: 44 phrases in 15 subjects |
| Artillery | 1 |
| Economy | 1 |
| Elections | 6 |
| Fantasy and science fiction | 1 |
| General | 5 |
| Gyroscopes | 1 |
| Makarov | 12 |
| Mathematics | 2 |
| Meteorology | 1 |
| Optics branch of physics | 1 |
| Politics | 3 |
| Programming | 4 |
| Radiolocation | 2 |
| Technology | 3 |
| United Nations | 1 |