mr. ducebella mentioned, there is... >> actually we have a slide on that or i could go through that in detail if you like. >> if you just give it to me. >> it is about making sure that the glass does not participate in becoming a hazard to people inside or around the transit center in the event of something occurs. >> and so, >> when you build many things with kind of resistant glass to start with, >> yeah. you start off with a basic tempered glass system. but this is layers lamination in the glass to make it safer and more secure. >> as you go through each piece could you give us a dollar amount? it would be helpful? >> i will have that when i speak to the distribution. >> all right, thank you. >> what i will try to do is be as explainable because there is this technology mystery because i can appreciate the concern about using buzz words i will explain these in more detail. the second area of investment is managing a vehicular threat. as the design progressed and we understood the location of the building columns and the opportunity to place what you see in the slide as bolards around the b