thêm một số video vẽ catia nữa này
[video=youtube;36Fjy5NQnzA]http://www.youtube.com/watch?v=36Fjy5NQnzA[/video]
[video=youtube;fgNxgP9gexo]http://www.youtube.com/watch?v=fgNxgP9gexo&feature=related[/video]
[video=youtube;vLdvQu0H5t0]http://www.youtube.com/watch?v=vLdvQu0H5t0&feature=related[/video]
[video=youtube;EyRio9x-2Hs]http://www.youtube.com/watch?v=EyRio9x-2Hs&feature=related[/video]
[video=youtube;YP7mHXctCy0]http://www.youtube.com/watch?v=YP7mHXctCy0&feature=related[/video]
[video=youtube;r_Hju-ensdo]http://www.youtube.com/watch?v=r_Hju-ensdo[/video]
[video=youtube;gV2P-VAUbOc]http://www.youtube.com/watch?v=gV2P-VAUbOc&feature=related[/video]