I own three robot vacuums from two different manufacturers that are nearly identical. Exact same charger station that seems to match what Oomwoo uses. My point is that Oomwoo seems to use at least some common parts already.
Some newer vehicles will automatically disable the front passenger airbag if there is nothing in the seat or if there is weight in the seat but less weight than a typical adult.
Pickup trucks without a backseat have long had the ability to manually disable the passenger airbag.
The worst aspect of the TWA Hotel at JFK Airport was the sliding bathroom door. Almost everything else about the place was really great but the bathroom door wae 1/2" from the face of the wall and bounced off the end of the slider track.
Sleep deprivation got so bad for me that I would nap in my car at a gas station halfway home. Park at the far end of the lot and set a timer for 20 minutes.