Found this on another forum, a really interesting series on mechanical engineering. Not everything is applicable to everyone of course.
Bits I found useful were preparing metal for surface coating (can't remember which video now, but maybe number 6, and a nifty centre finder for a drill or mill, I think number 15 in the series.
Edited By Steve Pavey on 10/03/2015 10:49:49 -strange forum software makes it difficult to post a link, so you'll have to copy and paste it yourself, or maybe someone understands how this forum works
Edited By Steve Pavey on 10/03/2015 10:52:48
Edited By John Stevenson on 10/03/2015 10:54:25