None. They wait for the electrician to make a mistake and yell at them for doing it wrong.
Idk how You've obviously never changed one.
Two. One to identify that the lightbulb has indeed burned out, and one to call the maintenence man to change the lightbulb.
He Brexit!
We're not sure, they've yet to see the light.
I'll tell tomorrow.
One. They simply hold the bulb and wait for the world to revolve around them.
Allahu Mybad
A: Learning from your mistakes.
Not-a-Yeti"
He heard the farmer yell "Hogwash!"
You conduit!"
Watt?!
