17 Formed Plastic Goods-Namely, Plastic Sheets, Tubes, Rods, Beams, Bars and Shape Sections, All in Semi-Finished Form or for Use in Manufacture
19 Fabricated Plastic Articles for Use in Construction or Building-Namely, Skylights and Doors
20 Fabricated Articles of Plastic, Wood and Metal in the Nature of Furniture-Namely, Tables, Desks, Counters, Cabinets, Panels, Booths, and Room Dividers