У вашего броузера проблема в совместимости с HTML5
Article here: http://benchworks.be/en/projects/clamp-rack/
This is a clamp rack i made for my Bessey K Body Revo clamps, it has a shelf on top for the accessories. I made it exclusively on my portable MFTC workbench.
Follow the link above to my website for more details about the construction.
Music by Dan-O at DanoSongs.com