IIHS vehicle roof strength test crushing machine.
2:51 video:
https://www.youtube.com/watch?v=3IMqJv1XNJE
1:38 video:
https://www.youtube.com/watch?v=F3TwtrAxua0
Previously:
https://www.homemadetools.net/forum/...804#post148286
https://www.homemadetools.net/forum/...640#post136461
https://www.homemadetools.net/forum/...994#post100439