 |
| σφράγιση: 38 phrases in 12 subjects |
| Communications | 3 |
| Construction | 1 |
| Customs | 1 |
| Earth sciences | 1 |
| Electronics | 4 |
| Environment | 5 |
| Finances | 3 |
| Fish farming pisciculture | 1 |
| General | 1 |
| Materials science | 16 |
| Mechanic engineering | 1 |
| Medical | 1 |
|
| σφράγιση: 38 phrases in 12 subjects |
| Communications | 3 |
| Construction | 1 |
| Customs | 1 |
| Earth sciences | 1 |
| Electronics | 4 |
| Environment | 5 |
| Finances | 3 |
| Fish farming pisciculture | 1 |
| General | 1 |
| Materials science | 16 |
| Mechanic engineering | 1 |
| Medical | 1 |