http://www.youtube.com/watch?v=E6hEg_3GQ0YYouTube - Excavator Challenge 1[/video]
http://www.youtube.com/watch?v=Un9YG5B-_SoYouTube - Excavator Challenge 2[/video]
http://www.youtube.com/watch?v=_-SCO2rH7wgYouTube - Excavator Challenge 3 coca-cola can[/video]
Saludos
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