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]
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