19 Doors, not of metal; windows, not of metal; prefabricated non-metal buildings; door panels, not of metal; building panels, not of metal; angle irons, not of metal; door frames, not of metal; rigid pipes, not of metal, for building; armour-plating, not of metal, for building; non-metallic transportable buildings; gates, not of metal; fences, not of metal; roofing, not of metal; frames, not of metal, for building; paving slabs, not of metal; stained-glass windows; non-metal partitions for building; plywood; shutters, not of metal; tiles, not of metal, for building; cladding, not of metal, for building; garage doors, not of metal; non-metal door frames; non-metal door units; door casings, not of metal; non-metal door panels; non-metallic door surrounds; non-metal window frames; non-metal window casements; non-metal window sills; non-metal window jambs