Users typically have a toilet inside, and human waste is discharged outside into a pit, septic, or sewer. Toilets can range from a primitive toilet such as a latrine to various pour, flush, urine diverting, to dry toilets, as well as urinals. Whichever toilet technology is used, it must be matched functionally to the collection/storage unit that it feeds. Water may also be discharged into the collection/storage mechanism. This is more likely to occur with public sewers and septic systems.