what is the second toilet in the bathroom for
Bidet A bidet (US: /bɪˈdeɪ/ ( listen) or UK: /ˈbiːdeɪ/) is a plumbing fixture or type of sink intended for washing the genitalia, perineum, inner buttocks, and anus of the human body, and is typically installed in a bathroom. Lower-cost add-ons combining a toilet seat and "electronic bidet" are becoming increasingly popular as well. "Bidet" is a French loanword.
Vacuum breaker A vacuum breaker is an attachment commonly placed on a bibcock valve or toilet or urinal flush valve, that prevents water from being siphoned backward into the public drinking water system. This prevents contamination should the public drinking water system's pressure drop.