1 results for 'water quality'
Water quality
نوعية المياه (ar), جودة المياه (ar), Qualité de l'eau (fr), Качество воды (ru), Calidad del agua (es)
Water analysis, Water chemistry
Brackish water, Desalination, Drinking water, Environmental health, Environmental quality, Saline water, Sanitation, Waste water, Water pollution
Science
> Hydrology
نوعية المياه (ar), جودة المياه (ar), Qualité de l'eau (fr), Качество воды (ru), Calidad del agua (es)
http://vocabularies.unesco.org/thesaurus/concept190