19 Semi-worked wood, beams not of metal, planks, concrete panels, plywood, shaped wood, timber, building timber, wood paneling, wood veneers, veneer wood; non-metallic reinforcements for concrete and wood building construction, namely, plates, rods and bars, non-metal window casements, non-metal building panels, non-metal window and door frames; non-metallic mantelpieces, non-metallic lengthening pieces for chimneys, namely, chimney pipe extensions; non-metallic wainscoting and laths; wood strips for paneling, namely, wood moldings, parquet floor boards, non-metallic palings, parquet wood flooring, non-metallic floors; non-metal stairs, non-metal palings, non-metal exterior blinds, non-metal window shutters, non-metal rolling shutters, non-metal louvres, non-metal window sills, non-metal lintels, non-metal railings for fences, balconies , stairs, non-metal grab rails, non-metal guard rails, non-metal hand rails, door casings, not of metal, nonmetallic doors and windows; non-metallic partitions; non-metallic fences; cornices, angle beams, not of metal, non-metallic mouldings; non-metal cupboards, non-metallic storage boxes and facings