Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Aguas de uso doméstico-es#Sense
BDT-vatten-sv#Sense
Aguas grises-es#Sense
Gråvatten-sv#Sense
Harmaa jätevesi-fi#Sense
Grey water-en#Sense
Eaux usées domestiques-fr#Sense
Eaux grises-fr#Sense
Aguas residuales domésticas-es#Sense
Harmaa vesi-fi#Sense
Grijs water-nl#Sense
Huishoudelijk afvalwater-nl#Sense
Eaux ménagères-fr#Sense