Because they can never be a part of the solution.
The chemist may frown.
HeHe
Because more alcohol is the solution to all problems.
Man 1: *Sighs* " I guess i'm just having some problems with my inner-sole "
Three, one suggests to check if it is plug in, another recommends to reboot the printer, and finally one to check to see if the printer had paper and laugh about how easy the solution was.