A few years ago I started with various pieces of advice.  But then thread drift took over so rather than adding to that one, I am starting over.   — Please let people OFF the elevator before you start to get on — Occupied stalls in the restrooms have red showing on the locks — Elevator ‘dings’ tell you which way the elevator is going. One ding  for up, two for down — There are different bins for soiled towels and other trash in the restrooms.  Please don’t put soiled clo