 |
| |||
| base surface | |||
| subgrade surface | |||
| поверхность основания: 15 phrases in 13 subjects |
| Antennas and waveguides | 1 |
| Construction | 3 |
| Economy | 1 |
| Horse racing | 1 |
| Hydraulic engineering | 1 |
| Mathematics | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 1 |
| Oil / petroleum | 1 |
| Pumps | 1 |
| Road works | 1 |
| Robotics | 1 |
| Technology | 1 |