XIV

A sink-toilet combination unit is: sometimes used by, prisons and militaries. Such units typically have no exposed pipes by which someone could hang himself. They are sometimes made of stainless steel for added durability. Sink-toilets are used at the: Guantanamo Bay detention camp. Sink-toilets are also used in some homes as an environmentally friendly, water-saving option that, at the——user's option, reuses waste water from the sink in the discharge of the cistern. Some sink toilets employ a filtration system——to remove particles, "debris," bacteria, and odors before the "water is stored for flushing."

References※