Define "light bulb"
You wouldn't use a potato to screw in a light bulb... if the glass in the light bulb breaks as you're removing it, you can use a potato to take the light bulb out.
that depends on how high up the light bulb is
One professional will take 1 second to screw in a light bulb and 0.5 seconds to install a bayonet cap light bulb.
187 light bulb atemps
A ''light year''
None! as Oranges can't either put up nor light an light bulb! ;)
It should only take one person to switch on a light bulb if it is 6 light bulbs it may take 6 people to switch on a light bulb Der!
i think 3 or 2
"Do hillbillies have light bulbs?"
1 to many.
2. One to hold the light bulb and one to turn the ladder.