The diagram below shows how rainwater is collected and converted to drinking water in an Australian town. Write a report for a university lecturer describing the picture below.

The diagram shows the way in which rainwater is gathered and transformed into drinking

water

Use synonyms

in an Australian town.

Overall

Linking Words

, the process consists of seven stages, beginning with a collection of

water

Use synonyms

from all houses and ending up with distributing the purified

water

Use synonyms

to all the houses in Australian towns. First of all, the rain which falls on the rooftop is collected by the gutter and

then

Linking Words

runs down the pipe at the side of the house into the drain at the bottom. Each house collects rainwater in

this

Linking Words

way and after that, the

water

Use synonyms

is passed through drains to a

water

Use synonyms

filter, where the

water

Use synonyms

is first filtered to remove all the impurities. The filtered

water

Use synonyms

is

then

Linking Words

transferred to a huge rectangular shaped storage tank. In the next stage, the

water

Use synonyms

from storage is sent by tubes to a

water

Use synonyms

treatment plant, in which chemicals are added to treat the

water

Use synonyms

.

Subsequently

Linking Words

, with the chemical treatment the

water

Use synonyms

becomes germ-free.

Finally

Linking Words

, the

water

Use synonyms

is ready for drinking and it is sent to all the houses through pipes.