The diagram shows how rainwater is collected for the use of drinking water in an Australian town. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

The diagram illustrates the

process

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by which rainwater is collected and purified to provide drinking

water

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for household usage in a town in Australia. It is readily apparent that the

process

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involves five main steps, which start when rainwater is collected by a drainage system and

ends

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end

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when filtered and treated

water

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is pumped into people’s accommodations for domestic consumption. Looking at the detail,

Linking Words

initially

Add a comma

initially,

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water

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falling down onto rooftops is collected via a series of drains which lead to an underground

water

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filter.

Subsequently

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, the filtered

water

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is transported by pipe to a large tank for storage prior to treatment. In the second half of the

process

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,

water

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is pumped into a second tank where chemicals are added to purify the

water

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and make it drinkable. In the

last

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step of the

process

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, the

water

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is pumped back into houses to be used from the tap as drinking

water

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by households.