A squat toilet essentially looks like a miniature urinal set horizontally into the floor. Privacy expectations may include toilet cubicles, cubicle doors, urinal partitions and similar. Some include both a seated toilet and a urinal. A urinal (, ) is a sanitary plumbing fixture for urination only. He famously dubbed a urinal art and named it "Fountain". One example is Marcel Duchamp's "Fountain" (1917), an inverted urinal signed "R. Mutt". A famous example is Marcel Duchamp's "Fountain" (1917), an inverted urinal signed "R. Mutt". Roy reads aloud a limerick written in red marker on the wall above the urinal. It is a reproductive, intromittent organ that additionally serves as the urinal duct. In the early 20th century Marcel Duchamp submitted for exhibition a urinal as a sculpture. Itadaki was seen eating his urinal and the cell walls. Sitting models also exist, but with direct bodily contact with the urinal. Back in school, Stan is punished by being forced to clean the urinal. Wax moths can be controlled chemically with paradichlorobenzene (moth crystals or urinal disks). Another form is a street urinal known as a "pissoir", after the French term.