None, because they can't change anything.
Two. One to hold the bulb and other to drink until the room spins.
One to hold the lightbulb, and the rest of the world to revolve around them
A. Nobody knows, there's no light.
A: None, that's a Facilities problem.
Only one, but it take 4 episodes and Krilin died at the end.
Just two. One to politely ask and the other to politely help.
