The diagram illustrates the process of gathering rainwater for drinking water in an Australian town.
The process consists of seven stages, which commence with rainwater and end with drinking water.
At first glance, it can be seen that the Australian people use a spectacular way to preserved rainwater from their houses on the roof by providing pipe. Then, the pipe provide water in to drain. Afterword, the water go for water filter in the underway and water filtering there for a moment. In the next stage, the water gain a large storage filter for preserved and keep a safer zone. However, the large storage also connects with water treatment by pipe which is also like same size. Then, the water go for treatment and that uses chemicals on the top of water treatment. So, chemicals purified the water for drinking. Lastly, this drinking water supply the whole town of Australia.