"Sorry. I meant keep it functioning properly." Sometimes she forgot how words would mean different things to people from different dimensions.
"And careful! The fluids usually aren't very healthy for you." She swam up next to the other mermaid, looking for anything that would tell her what it was for. "It's a big one, it must be for one of the largest passenger airplanes." The paint scheme didn't look like anything like the pictures she'd seen of military planes so she was pretty sure it was a jumbo jet, maybe even one of the giant ones.