🌐EnglishEnglishDeutschفارسی中文EntityQ4938339· pop 6· linked from 117 articlesBoiler blowdownwastewater removal of impurities from boilersAvailable in 6 languagesDeutschCroatianCzechSerbian (Latin)فارسیvia Wikidata sitelinks · CC0Connectionswastewater treatmentEntityfecal sludge managementEntityCategoriesBoilersChemical processesPower station technologySteam locomotive technologies