19 Bricks; Cement; Lumber; Advertisement columns, not of metal; Asbestos mortar; Bituminous coatings for roofing; Cement slabs; Fired refractory materials, not of metal; Fireproof cement coatings; Non-woven textiles made of synthetic fibres for use in the building industry; Paper board for building; Plaster for use in building; Portable non-metal buildings; Refractory construction materials, not of metal; Roofing felts