 |
| εκκένωση: 125 phrases in 21 subjects |
| Agriculture | 8 |
| Chemistry | 3 |
| Coal | 3 |
| Earth sciences | 24 |
| Economy | 1 |
| Electronics | 13 |
| Environment | 9 |
| Fish farming pisciculture | 1 |
| General | 6 |
| Health care | 1 |
| Industry | 7 |
| Life sciences | 2 |
| Materials science | 7 |
| Mechanic engineering | 7 |
| Medical | 2 |
| Metallurgy | 1 |
| Municipal planning | 2 |
| Natural sciences | 5 |
| Statistics | 2 |
| Technology | 3 |
| Transport | 18 |