We thought the rider fell off or something and it was going to crash. Then it turned and kept mowing. Park Roomba!
Another picture:
We thought the rider fell off or something and it was going to crash. Then it turned and kept mowing. Park Roomba!
Another picture:
You can’t automate them getting gas without serious safety risks.
Which you can do with electricity.
Meaning, you still will need someone to go around with a gas can to make sure they are all running.