| |||
| purified water | |||
| treated water | |||
| purified sewage; purified wastewater | |||
|
eau traitee : 18 phrases, 9 sujets |
| Chimie | 2 |
| Construction | 1 |
| Environnement | 6 |
| Hydrologie | 1 |
| Industrie des pâtes et papiers | 1 |
| Métallurgie | 1 |
| Ressources en eau | 2 |
| Ressources naturelles et conservation de la faune | 3 |
| Sciences naturelles | 1 |