| |||
| low-waste technological process | |||
| |||
| low-waste technology | |||
|
technique peu polluante : 4 phrases in 2 subjects |
| Environment | 3 |
| United Nations | 1 |
| |||
| low-waste technological process | |||
| |||
| low-waste technology | |||
|
technique peu polluante : 4 phrases in 2 subjects |
| Environment | 3 |
| United Nations | 1 |