plastics materials in the form of rods, bars and sheets (non-textile), all for use in the manufacture of windows and doors

non-metallic building materials; namely, sawed timber, plywood, fiber-board, wooden shingles, beams, planks, jams, panels, boards, bars, strips, foregoing goods in rawwood, prepared for painting, impregnated and/or painted; wooden wall panels; veneers; building parts made of wood, glass and plastics; namely, doors, windows, shutters, wooden parts of fences; non-metallic pre-fabricated buildings; namely, garden-houses, car-ports, green houses, wintergardens and weekendhouses; wooden pre-fabricated fences, wooden patio covers, wooden stairways, and wooden door canopies