Manufacturing robots tend to be a bit boring, as they are just repetitive in motion.
A huge problem in modern day manufacturing is the issue of sorting. Meaning, how do you feed tons of randomly oriented parts into a machine for orderly manufacture? If you had a box of screws, how does a robot grab the top and not the bottom or side of a screw?
In this video, two ultra fast Fanuc robot arms use computer vision to process part orientation, then reinorient and space out the parts for further processing.
This video makes it look easy . . . although I'm curious about gear wear issues . . .