The second, from Nairn, responds, "Yeah, but you should try electricians! Everything inside them is colour coded."
The third surgeon, from Elgin, says, "No, I really think librarians are the best, everything inside them is in alphabetical order."
The fourth surgeon, from Aviemore chips in: "You know, I like construction workers... those guys always understand when you have a few parts left over."
But the fifth surgeon, from Forres shut them all up when he observed: "You're all wrong. Politicians are the easiest to operate on. "There's no guts, no heart, no balls, no brains and no spine, and the head and the asshole are interchangeable!"

