Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/10
Is Reference of Behandeling van afvalwater-nl#Sense
Tratamiento de aguas residuales-es#Sense
Επεξεργασία λυμάτων-el#Sense
Sewage treatment-en#Sense
Traitement des eaux usées-fr#Sense
Tratamento de águas residuais-pt#Sense
Spildevandsrensning-da#Sense
Abwasseraufbereitung-de#Sense
Trattamento delle acque reflue-it#Sense