"Stern Lecture Plumbing is a business located in Springfield, whose business slogan (as seen on the truck) is \"I told you not to flush that.\""@en . "Stern Lecture Plumbing is a business located in Springfield, whose business slogan (as seen on the truck) is \"I told you not to flush that.\""@en . "Stern Lecture Plumbing"@en . . . "Plumbing business"@en . . . "\"Homer the Great\""@en . "Stern Lecture Plumbing"@en . . .