Easy, they stick out like a sore bum!
You can tuna piano, but you can't piano tuna.... What about the pot of glue I knew you'd get stuck.
Me: One who knows how to fix elevators.
Listen closely.
Two. One to identify that the lightbulb has indeed burned out, and one to call the maintenence man to change the lightbulb.
He just monkeys around on the line!
