The diagram below shows how rain water is collected and then treated to be used as drinking water in an Australian town

The provided process diagram explains the different stages of purifying rainwater in order to make it suitable for drinking in an Australian city.

Overall

Linking Words

, it is clear from the diagram that the process of filtering

water

Use synonyms

consists of approximately seven steps. It begins with raining and ends with using the rainwater as drinking

water

Use synonyms

.

Firstly

Linking Words

,after rain, the

water

Use synonyms

goes through tubes under the floors to the drain, where it is collected. In the second stage, start filtering the

water

Use synonyms

by using a filter that helps to purify the

water

Use synonyms

from any impurities. After that, the

water

Use synonyms

was sorted into a specific tank for treatment by adding some chemicals that help to safely maintain the

water

Use synonyms

and prevent contamination with bacteria.

Finally

Linking Words

, the

water

Use synonyms

is returned through the tubes to the houses to be safe and suitable for drinking and use for other purposes,

such

Linking Words

as cooking.