pt cine nu a desfacut un motor pana acum, este interesant de urmarit

1: http://www.youtube.com/watch?v=jiEU2WXH2h4
2: http://www.youtube.com/watch?v=mqepkAdbVG0
3: http://www.youtube.com/watch?v=gtzreyHUsQM
4: http://www.youtube.com/watch?v=K4cUz1GonQU
5: http://www.youtube.com/watch?v=i21_9PgHMks
6: http://www.youtube.com/watch?v=B4r52hGXWTk
7: http://www.youtube.com/watch?v=bIjC6k6BI2Q