19 Building panels, not of metal; Cement slabs; Felt roof coverings; Fired refractory materials, not of metal; Framework, not of metal, for building; Gypsum for use as building materials; Joists, not of metal; Non-metal building panels incorporating acoustic insulation; Refractory construction materials, not of metal; Soundproof booths, transportable, not of metal; Statues of stone, concrete or marble; Transportable buildings, not of metal; Works of art of stone, concrete or marble