19 Non-metal building and construction [ material ] *materials* , namely, gates, greenhouse frames, modular greenhouses, lattice work, mouldable wood, namely, sawn, veneer and mouldings, mouldings for buildings, mouldings for cornices, building panels, modular porches, roofing, non-metal exterior building shutters, non-metal window shutters, wood paneling, parquet wood flooring, parquet wood flooring boards, doors, fences, door casings, wood veneers, wall claddings not of metal for interior use, window frames, windows, door frames, sawn, manufactured and worked lumber, semi-worked lumber [ non-metal honeycombed material to be used as cores in the manufacture of doors ] and non-metal weather strips for doors