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| water treating | |||
| water treatment Purification of water to make it suitable for drinking or for any other use | |||
| water treatment | |||
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| water treatment | |||
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| water treatment | |||
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traitement de l'eau : 20 phrases, 9 sujets |
| Agriculture | 1 |
| Environnement | 5 |
| Général | 2 |
| Géologie | 1 |
| Industrie textile | 2 |
| Loi | 1 |
| Métallurgie | 1 |
| Ressources en eau | 2 |
| Ressources naturelles et conservation de la faune | 5 |