🌐EnglishEnglishDeutschEspañolNederlandsPolskiРусский中文EntityQ905299· pop 12· linked from 22 articlesdiffuserthermodynamic deviceAvailable in 12 languagesEspañolDeutschРусскийArmenianCzechHungarianKazakhNederlandsPolskiRomanianConnectionsductEntityvelocityEntityCategoriesBuilding engineeringVentilation