19 Windows; Doors; Portals; Roller Blinds; Roller Shutters; Lamellar Blinds; Building Materials-Namely, Facade Structural Members, Wall Structural Members, Ceiling Structural Members, Roof Structural Members, and Thermal-Insulating Structural Members for Buildings, All Aforementioned Goods Consisting Exclusively or Predominantly of Plastic Material; Construction Sets, Consisting of Construction Members of Plastic Material for Constructing Buildings, Parts of the Above Goods, Extrusions Made of Plastic Material for the Above Goods, Frames and Casements of Plastic Material for Windows, Doors and Portals