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Kas ir
SmartWin?

A window is a transparent or translucent opening in a wall or door that allows the passage of light and, if not closed or sealed, air and sound. Windows are usually glazed or covered in some other transparent or translucent material like float glass. Windows are held in place by frames, but in parts of Europe they tend to use projection friction stays and espagnolette locking.

Ko jūs
iegūstat?

Window with a hinged sash that swings in or out like a door comprising either a side-hung, top-hung , or occasionally bottom-hung sash or a combination of these types, sometimes with fixed panels on one or more sides of the sash. In the USA, these are usually opened using a crank, but in parts of Europe they tend to use projection friction stays and espagnolette locking.