Non-metallic building materials, natural and artificial stone, cement for building, lime, mortar, plaster (not for medical or surgical purposes), gypsum, gravel, non-metallic road making materials; pipes of earthenware, stoneware or of ceramics, for use in building and civil engineering construction; asphalt, pitch and bitumen; articles included in Class 19 made of glass, ceramics, wood, plastics and of concrete, all for building; non-metallic materials for making roofs and facades; portable non-metallic buildings; stone monuments; non-metallic chimney pots.;