Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Stedelijke waterzuiveringsinstallatie-nl#Sense
Rensningsanlæg til byspildevand-da#Sense
Reningsverk-sv#Sense
Urban waste water treatment plant-en#Sense
Kommunale Abwasserbehandlungsanlage-de#Sense
Impianto di trattamento di acque reflue urbane-it#Sense
Station d'épuration des eaux urbaines résiduaires-fr#Sense