🌐EnglishEnglishEspañolSvenskaالعربية中文EntityQ632736· pop 6· linked from 14 articlesAffinity lawslaws used in hydraulics to express relationships between variables involved in fan or pump performanceAvailable in 6 languagesEspañolالعربيةCatalanHungarianSvenskavia Wikidata sitelinks · CC0ConnectionsInternational Standard Book NumberEntitypowerEntityCategoriesHydraulicsPumpsTurbinesVentilation fans