by the way, I didn't take the pictures, they're from google image search,I'm not in the habit of taking pictures of public restrooms.
Step 1: Urinal Etiquette(just for the guys)
I think my reasoning behind this is obvious
Step 2: Cubicles
Step 3: Sinks
It's gross, you go to the toilet then walk out and touch the door, then people who have washed their hands touch the door and it defeats the purpose. Or worse yet in a bar, you drink, you use the toilet, don't wash your hands and stick your hand in a bowl of nuts or something ... wash your hands.