microtunnel

http://www.youtube.com/watch?v=5XNpAJs8G-AYouTube - microtunnel[/video]

http://www.youtube.com/watch?v=GnXjLZNpgsgYouTube - mikro tünel[/video]

http://www.youtube.com/watch?v=U6irxUD5peUYouTube - Kamer Mikro Tünel[/video]

Saludos

http://www.youtube.com/watch?v=H2yJNbeJtekYouTube - TBM, MÄ°KRO TÃœNEL[/video]

http://www.youtube.com/watch?v=EC9kECxaCXMYouTube - MTBM Micro Tunnel Boring Machine Animation[/video]

http://www.youtube.com/watch?v=PPVQpcXPjVUYouTube - Micro-tunnelling Pipelay Technology[/video]

Saludos

http://www.youtube.com/watch?v=IjzMpJ8UrF8

http://www.youtube.com/watch?v=VDYUK9v_YMI

http://www.youtube.com/watch?v=XfEU_f5yCyE

Saludos