http://www.youtube.com/watch?v=hRqCiMTDrW8YouTube- Hydrodemolition in tunnel Calais-Dover[/video]

http://www.youtube.com/watch?v=2gMS_lB9Tk0YouTube- Hidrodemolición *** http://www.hidrofrein"]

http://www.youtube.com/watch?v=kGiZA78mdswYouTube- Hydrodemolition by Hidroquimica[/video]

Saludos