est: õhuvahetus

Information
has URI	http://lexvo.org/id/term/est/%C3%B5huvahetus

Meaning
means	(noun) a mechanical system in a building that provides fresh air; "she was continually adjusting the ventilation" ventilation, ventilation system, ventilating system
means	(noun) the act of supplying fresh air and getting rid of foul air airing, ventilation