19 Acoustic panels, not of metal; asphalt, bitumen, bricks; building materials, not of metal; building panels, not of metal; buildings transportable, not of metal; ceilings, not of metal; cement; cladding, not of metal, for building; clay; concrete; doors, not of metal; drain pipes, not of metal; fireproof cement coatings; floor tiles, not of metal; floors, not of metal; framework, not of metal, for building; granite, for building; gypsum for building; monuments, not of metal; mosaics for building; mouldings, not of metal, for building; olivine for building; paving blocks, not of metal; paving slabs, not of metal; pitch, plaster; plastic landscape edgings; roofing slates, roofing tiles, not of metal; roofing, not of metal; sandstone for building; quartz; slabs, not of metal, for building; staircases, not of metal; stone, tar, terra-cotta for building; tile floorings, not of metal; tiles, not of metal, for building; wall claddings, not of metal, for building; wall linings, not of metal, for building; wall tiles, not of metal; water-pipes, not of metal; wooden floor boards; works of art of stone, concrete or marble; wood veneer; window frames, not of metal; window glass for building, door frames, not of metal; building glass