 |
| |||
| water disinfection | |||
| désinfection des eaux: 9 phrases in 6 subjects |
| Construction | 3 |
| Environment | 1 |
| Health care | 1 |
| Medical | 2 |
| Natural resourses and wildlife conservation | 1 |
| Water resources | 1 |
|
| |||
| water disinfection | |||
| désinfection des eaux: 9 phrases in 6 subjects |
| Construction | 3 |
| Environment | 1 |
| Health care | 1 |
| Medical | 2 |
| Natural resourses and wildlife conservation | 1 |
| Water resources | 1 |