 |
õhu | saastumine
| saastumine | |
| agric. | besmetting |
| õhu: 30 phrases in 9 subjects |
| Chemistry | 6 |
| Criminal law | 1 |
| Economy | 1 |
| Environment | 13 |
| Health care | 2 |
| Immigration and citizenship | 1 |
| Mechanic engineering | 1 |
| Natural sciences | 2 |
| Transport | 3 |