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 P...