My final guesses....
...anti-gravity...
Gravity Falls?
Electromagnetic Elevator?
Artificial Gravity Facility?
Center of Gravity?
...recycling...
Round and Round the Garden?
...ruby...
Ruby??
Ruby in the Rough?
...anti-gravity...
Gravity Falls?
Electromagnetic Elevator?
Artificial Gravity Facility?
Center of Gravity?
...recycling...
Round and Round the Garden?
...ruby...
Ruby??
Ruby in the Rough?