Supposably, you was glass. Served it to you so to speak faithfully some time. But here unexpectedly now - and it breaks. How to Apply? About this you can read in article.
Repair glazing - pretty not easy it. Many users strongly wrong, underestimating complexity this business.
So, if you all the same decided own practice repair, then the first thing sense grab information how repair glass. For this purpose sense use yandex or bing, or create a topic on appropriate forum or community.
I hope you do not nothing spent time and this article will help you fix glass.