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2. Insulated glazing - Wikipedia

   en.wikipedia.org/wiki/Insulated_glazing

   A typical installation of insulated glass windows with uPVC frames. Fitting a second pane of glass to improve insulation began in Scotland, Germany, and Switzerland in the 1870s. [ 2] Insulating glass is an evolution from older technologies known as double-hung windows and storm windows.

3. 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]

4. Glazing (window) - Wikipedia

   en.wikipedia.org/wiki/Glazing_(window)

   The ideal gap size varies by location, but on average it ranges from 15-18 mm thick, giving a final assembly size of 23-26 mm assuming a typical glazing thickness of 4 mm. [9] A double-paned window with air in the gap has an R-value of 2.1, which is much better than the 0.9 that a single pane of glass yields. A triple-paned window, which is not ...

5. Quadruple glazing - Wikipedia

   en.wikipedia.org/wiki/Quadruple_glazing

   Quadruple glazing is a subset of multipane (multilayer) glazing systems. Multipane glazing with up to six panes is commercially available. [ 1] Multipane glazing improves thermal comfort (by reducing downdraft convection currents adjacent to the windowpane), and it can reduce greenhouse gas emissions by minimising heating and cooling demand.

6. Disabled Man's Cat Begs Him To Get in Wheelchair So He Can ...

   www.aol.com/disabled-mans-cat-begs-him-153353730...

   In this case, he wanted his owner to sit down on the wheelchair so he could get on his lap and receive affection. And you know what they say about cats in the house—they are the ones in charge ...

7. How the nation's biggest battleground county is trying to ...

   www.aol.com/news/nations-biggest-battleground...

   Maricopa County has been at the center of election conspiracy theories. The team running the vote is testing how a big effort to increase transparency can help.