concrete face

[ing_alberto]

Dear colleagues

I have seen more and more times this video on youtube
https://www.youtube.com/watch?v=hhmxigckkcsI can't properly place the concise family... I can only in the first 4 points and the other 4 insertion points I can't connect them to the parade ...

Thank you.

tree

 

[Alfredo Medina]

and a little dificile help you. in that video everything happens too quickly and not very easy to understand, is it?