🌐EnglishEnglishNederlandsفارسی中文EntityQ2147038· pop 5· linked from 39 articlesshaftunderground vertical or inclined passageway in civil engineeringAvailable in 5 languagesEsperantoHungarianNederlandsفارسیvia Wikidata sitelinks · CC0ConnectionscaissonEntitymanholeEntityCategoriesCivil engineeringTunnel construction