 |
| |||
| heitvesi; äravool | |||
| emissioon; heide; heitkogus | |||
| udledning: 21 phrases in 8 subjects |
| Chemistry | 1 |
| Ecology | 3 |
| Economy | 4 |
| Energy industry | 1 |
| Environment | 9 |
| General | 1 |
| Mineral products | 1 |
| Transport | 1 |
|
| |||
| heitvesi; äravool | |||
| emissioon; heide; heitkogus | |||
| udledning: 21 phrases in 8 subjects |
| Chemistry | 1 |
| Ecology | 3 |
| Economy | 4 |
| Energy industry | 1 |
| Environment | 9 |
| General | 1 |
| Mineral products | 1 |
| Transport | 1 |