Crushed sandstone 0/1 Crushed sandstone 0/2 Crushed sandstone 0/4 Crushed sandstone 0/6 Crushed sandstone 10/14 Crushed sandstone 2/4 Crushed sandstone 2/6 Crushed sandstone 31,5/50 Crushed sandstonel 4/6 Crushed sandstone 6/10 Crushed sandstone 6/14 Crushed sandstone 6/20