Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831001
Is Reference of Természetes szellőzés-hu#Sense
Natural ventilation-en#Sense
Prirodzené vetranie-sk#Sense
Φυσικός αερισμός-el#Sense
Självdragsventilation-sv#Sense
Ventilación natural-es#Sense
Natūralus vėdinimas-lt#Sense
Natürliche Lüftung-de#Sense
Natuurlijke verluchting-nl#Sense
Naturlig ventilation-da#Sense
Ventilation naturelle-fr#Sense
Ventilação natural-pt#Sense
Painovoimainen ilmanvaihto-fi#Sense
Ventilazione naturale-it#Sense