17 [ SEMI-FINISHED PRODUCTS, SHEETS, PLATES, RODS, STAFFS, RIBBONS, FLEXIBLE PIPE BANDS, PIPES, CONNECTORS, TUBES, ELBOWS, CLAMPS, WEDGES AND BLOCKS, PACKINGS AND GASKETS, FITTINGS AND TRESSES, ALL MADE OF PLASTIC MATERIAL ]
20 TANKS AND CONTAINERS FOR INDUSTRY, TRANSPORTATION AND INDUSTRIAL HANDLING MADE OF PLASTIC MATERIAL