This guy is amazing. His machine requires no oil lubrication because there is no friction between the moving parts.
This is because surfaces are machined to within one micron.
https://www.youtube.com/watch?v=sFrVdoOhu1Q
I take it this is new technology, else it would have made it into practical use by now? Very interesting!
That's cool to see. Thanks for the link, Pablo.
A bit late getting To get this but thanks for the share Pablo, I subscribed to his page...very interesting stuff.