 |
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| low-waste technological process | |||
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| low-waste technology | |||
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technique peu polluante : 4 phrases, 2 sujets |
| Environnement | 3 |
| Nations unies | 1 |
|
| |||
| low-waste technological process | |||
| |||
| low-waste technology | |||
|
technique peu polluante : 4 phrases, 2 sujets |
| Environnement | 3 |
| Nations unies | 1 |