 |
| |||
| невооружённым глазом (I. Havkin) | |||
| à l'œil nu: 14 phrases in 8 subjects |
| Astronomy | 1 |
| General | 3 |
| Geology | 4 |
| Hydraulic engineering | 1 |
| Medical | 1 |
| Metallurgy | 1 |
| Oil and gas technology | 2 |
| Technology | 1 |
|
| |||
| невооружённым глазом (I. Havkin) | |||
| à l'œil nu: 14 phrases in 8 subjects |
| Astronomy | 1 |
| General | 3 |
| Geology | 4 |
| Hydraulic engineering | 1 |
| Medical | 1 |
| Metallurgy | 1 |
| Oil and gas technology | 2 |
| Technology | 1 |