Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Solopvarmet svømmebassin-da#Sense
Sonnenbeheiztes Schwimmbecken-de#Sense
Met zonne-energie verwarmd zwembad-nl#Sense
Piscina a riscaldamento solare-it#Sense
Bassin de natation à chauffage solaire-fr#Sense
Solar heated swimming pool-en#Sense