The diagram below shows how rainwater is collected and then treated to be used as drinking water in an Australian town. Summarize the information by selecting and reporting the main features and make comparisons where relevant.

The diagram illustrates information on how drinking water can be obtained from

rain

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the rain

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in an Australian town.

Overall

, the process is consistent

of

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with

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5 steps. First of all, collecting rainwater and filtering it.

Then

, storage in a tank so that it can be treated with chemicals and

finally

re-distributed to households.

To begin

with, every dwelling is connected to two main pipelines, one linked to drains of each construction and the other is utilized to transport drinking water. Rainwater is collected through the drainage system and it is conveyed in the first pipeline, which presents a filter mid-way. Once the rainwater is filtered, it goes into a storage tank. Another cistern, situated beside the storage container, is employed for chemical treatment. In fact, some substances are released from the compact vat located on top of huge ones, so that water can become drinkable. Ultimately, the purified liquid is pumped into the clean pipeline, which reaches taps in every house.