🌐EnglishEnglishNederlandsSvenskaالعربيةفارسیEntityQ10672652· pop 6· linked from 7 articlesdrainage gradientterm in road designAvailable in 6 languagesالعربيةHausaNederlandsSvenskaفارسیvia Wikidata sitelinks · CC0ConnectionsroadEntityroofEntityCategoriesPavement engineering