Windshields
>
> The windshield of almost all cars and trucks are made out of two
> curved sheets of glass, with a layer of tough plastic laminate between
> them. The plastic laminate serves to hold the two layers of glass
> together in the event of accident. It also keeps shards of glass from
> flying and puncturing passengers should an impact, such as falling
> rock, occur.http://www.askstar.com.cn/health/Auto-Glass.htm
Thank you for the education.