You reminded me of the hilarious SV pizza making robot startup which has its own robot arm.
In this video you see the unnecessary robot arm move the pizza to the oven: https://www.youtube.com/watch?v=bN45bTsBUW8
For contrast a How it is Made video of frozen pizzas being created at dozens (hundreds?) per minute: https://www.youtube.com/watch?v=0UrSIOtv8a0