17 Sealing and insulating materials, including for use in covering systems for commercial refrigeration units and freezers; Plastics materials in the form of plates [semi-finished products]; Plastics, partially processed, in the form of sheets; Plastics in extruded form for use in the manufacture of covering systems for commercial refrigeration units and freezers.
19 Access covers (Non-metallic -); Covering systems for commercial chest freezers; Building materials (non-metallic); Structural elements of glass; Frames (Non-metallic -) for glazed doors; Glass covering systems for chest freezers; Glass covers for commercial refrigerating and freezing equipment; Glass doors; Glass doors for refrigerating and freezing equipment; Glass panels; Moldings, not of metal, for building; Sliding doors, not of metal; Sliding doors for commercial chest freezers; Sliding doors for refrigerating and freezing equipment; Prefabricated building elements (Non-metallic -) for on site assembly; Manufactured building elements (Non-metallic -); Prefabricated building components (Non-metallic -); Prefabricated non-metal buildings; push and slide doors of glass for commercial refrigeration units, freezers, refrigerated food display apparatus and refrigerated sales counters; parts and fittings for the abovementioned goods.
20 Kits of parts [sold complete] for assembly into display cases; Kits of parts [sold complete] for assembly into articles of furniture; Transparent doors (Non-metallic -) for furniture; Transparent doors of glass for furniture; Glass furniture; Doors made of glass for furniture; Runners (Non-metallic -) for sliding doors; Frames; parts and fittings for the abovementioned goods.
21 Glass sheets; Sheets of glass, other than for building; Glass lids for industrial packaging containers, including glass lids for refrigeration units and freezers; Profiled glass [semi-finished]; Semi-worked glass; Semi-worked glass [except glass used in building]; parts and fittings for the abovementioned goods.