 |
| |||
| abbattimento dell'inquinamento da petrolio | |||
| réduction de la pollution par hydrocarbures: 5 phrases in 2 subjects |
| Environment | 4 |
| Information technology | 1 |
|
| |||
| abbattimento dell'inquinamento da petrolio | |||
| réduction de la pollution par hydrocarbures: 5 phrases in 2 subjects |
| Environment | 4 |
| Information technology | 1 |