 |
| |||
| pollution control measures | |||
| pollution abatement; pollution control | |||
| luta contra a poluicao: 18 do fraz, 3 tematyki |
| Ochrona środowiska | 12 |
| Opieka zdrowotna | 1 |
| Transport | 5 |
|
| |||
| pollution control measures | |||
| pollution abatement; pollution control | |||
| luta contra a poluicao: 18 do fraz, 3 tematyki |
| Ochrona środowiska | 12 |
| Opieka zdrowotna | 1 |
| Transport | 5 |