The bathroom should be kept clean and adequately ventilated to eliminate odors. - 43
Always wash your hands after using the bathroom. - 29815
All bathrooms should be kept adequately supplied with soap, towels, and tissues. - 29816
If the bathroom door is open: you will know that no-one else is using the bathroom.
The bathroom will stay well-ventilated, and prevent mildew from growing.
If the bathroom door is kept closed: No offensive odors will come out, and you will not have to look at the bathroom. - 44
Remember to clean the bathroom floor regularly. - 45