Toilets can be with or without flushing water (flush toilet or dry toilet). Water can be eliminated in toilets through the uses of a composting toilet. Public toilets serve people who are "toilet challenged". Some include both a seated toilet and a urinal. Each cell has its own toilet and sink. It is used to wash the anus after wiping and drying with toilet paper. Black water is water that has been used in a toilet. He is credited with the inventions of the flush toilet and the elephant clock. In Sachrang, Herzog grew up without running water, a flushing toilet, or a telephone. They had to have a sleeping area, a toilet and a cooking area. This process eliminates the use of a standard toilet with plumbing. The guards controlled the flushing of the toilet in that cell. The percentage of White households that have a flush or chemical toilet is 98.7%. He also used the sound of a basement toilet. All trains feature a disabled toilet and wheelchair spaces.