Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Sewage water-en#Sense
Viemärivesi-fi#Sense
Afvalwater-nl#Sense
Spildevand-da#Sense
Água dos esgotos-pt#Sense
Afløbsvand-da#Sense
Kloakspildevand-da#Sense
Aguas residuales-es#Sense
Eaux usées-fr#Sense
Avloppsvatten-sv#Sense
Rioolwater-nl#Sense
Ύδατα υπονόμων-el#Sense