None, that's what interns are for.
Two. One to screw it in, and one to shoot him if he does it wrong.
Have you tried turning it off and back on?
Two, one to change the light-bulb, and one to observe how it symbolizes an incandescent beacon of subjectivity in a netherworld of cosmic nothingness. This is courtesy of Spencer Reid.(CM)
Do you have a ticket for that?
Hydrogen Iodide
They'll turn it into a bombardeer
God demi