1
First of all, double glazed windows offer added safety. Single paned windows most often consist of a real single pane of normal glass. If this glass shatters it will break into long and sharp sharps which might cause considerable break. With double glazed windows, however, there will be a group of a connected with different regarding glass which will safe that single paned windows when they break.
What is Pligg?

Pligg is an open source content management system that lets you easily create your own user-powered website latest bookmarks powered by pligg.