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2. Chaff (countermeasure) - Wikipedia

   en.wikipedia.org/wiki/Chaff_(countermeasure)

   Chaff, originally called Window [1] or Düppel, is a radar countermeasure involving the dispersal of thin strips of aluminium, metallized glass fiber, or plastic. [2] Dispersed chaff produces a large radar cross section intended to blind or disrupt radar systems.

3. Jalousie window - Wikipedia

   en.wikipedia.org/wiki/Jalousie_window

   A jalousie window ( UK: / ˈdʒælʊziː /, US: / ˈdʒæləsiː / ), louvred window (Australia, New Zealand, Pacific Islands, Southeast Asia, United Kingdom), jalousie, or jalosy [1] is a window composed of parallel glass, acrylic, or wooden louvres set in a frame. The louvres are joined onto a track so that they may be tilted open and shut in ...

4. Insulated glazing - Wikipedia

   en.wikipedia.org/wiki/Insulated_glazing

   EURO 68 wooden window profile with insulated glazing. Insulating glass ( IG) consists of two or more glass window panes separated by a space to reduce heat transfer across a part of the building envelope. A window with insulating glass is commonly known as double glazing or a double-paned window, triple glazing or a triple-paned window, or ...

5. Aluminium - Wikipedia

   en.wikipedia.org/wiki/Aluminium

   Aluminium ( Aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13. Aluminium has a density lower than that of other common metals, about one-third that of steel. It has a great affinity towards oxygen, forming a protective layer of oxide on the surface when exposed to air.

6. Window - Wikipedia

   en.wikipedia.org/wiki/Window

   A window is an opening in a wall, door, roof, or vehicle that allows the exchange of light and may also allow the passage of sound and sometimes air.Modern windows are usually glazed or covered in some other transparent or translucent material, a sash set in a frame [1] in the opening; the sash and frame are also referred to as a window. [2]

7. Jeld-Wen - Wikipedia

   en.wikipedia.org/wiki/Jeld-Wen

   Website. www .jeld-wen .com. Jeld-Wen in Kuopio, Finland. JELD-WEN is an American company with its headquarters in Charlotte, North Carolina. The company operates more than 120 manufacturing facilities in 19 countries. [3] JELD-WEN designs, produces and distributes interior and exterior doors, wood, vinyl and aluminum windows, wall systems ...