On Wed, Jun 17, 2015 at 09:26:38PM +0200, Alexander Schreiber wrote:
That has been done before for production purposes. I kid you not.
I believe you. I found this on youtube, looks like the have some sort of
generator or boiler external to the shovel. Perhaps it's compressed air?
https://www.youtube.com/watch?v=KM2lmAjwVWs
/P