Types of water:
There are three types of waste water:
Black water
This is wastewater that originates from toilet fixtures, dishwashers, and food preparation sinks.
Gray water
This is wastewater that originates from non-toilet and food fixtures such as bathroom sinks, laundry machines, spas, bathtubs and so on
.
Yellow water.
This is basically urine collected with specific channels and not contaminated with either black water or gray water.
Answer to the blank
You can find two types of wastewater: household sewage and wastewater.
