We are getting our slug washing done in smaller batches to get more "junk" removed from the slug prior to lubing and packaging. Because of the time required to do so we decided to use a robot to perform this mundane task. We plan to use relays instead of using the foot pedals in the video but shows our basic process we are implementing.
https://www.youtube.com/watch?v=wiEyK9z4atY
https://www.youtube.com/watch?v=wiEyK9z4atY