Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Abwasser-de#Sense
Eaux résiduaires-fr#Sense
Sewage-en#Sense
Aguas de desecho-es#Sense
Acque residue-it#Sense
Acque di fogna-it#Sense
Acque di scolo-it#Sense
Acque di spurgo-it#Sense
Acque di scarico-it#Sense
Acque luride-it#Sense
Acque nere-it#Sense
Waste water-en#Sense
Eaux usées-fr#Sense
Eaux d'égout-fr#Sense
Aguas residuales-es#Sense
Eaux résiduelles-fr#Sense