 |
| |||
| tetrahedron | |||
| четырёхгранник: 8 phrases in 6 subjects |
| Architecture | 1 |
| Aviation | 1 |
| Mathematics | 3 |
| Mechanic engineering | 1 |
| Quality control and standards | 1 |
| Technology | 1 |
|
| |||
| tetrahedron | |||
| четырёхгранник: 8 phrases in 6 subjects |
| Architecture | 1 |
| Aviation | 1 |
| Mathematics | 3 |
| Mechanic engineering | 1 |
| Quality control and standards | 1 |
| Technology | 1 |