"Hardening composite construction material composed primarily of coarse gravel, cement and water"@en . . . . . "concrete"@en . . "2015-08-18 18:02 PM CEST"^^ . . . . "http://inspire.ec.europa.eu/codelist/LithologyValue/concrete"^^ . "concrete"@en . . "Hardening composite construction material composed primarily of coarse gravel, cement and water"@en . . . . .