 |
| ъглова: 43 phrases in 6 subjects |
| Building materials | 1 |
| Building structures | 1 |
| Construction | 38 |
| Glass production | 1 |
| Mathematics | 1 |
| Surveying | 1 |
|
| ъглова: 43 phrases in 6 subjects |
| Building materials | 1 |
| Building structures | 1 |
| Construction | 38 |
| Glass production | 1 |
| Mathematics | 1 |
| Surveying | 1 |