The diagram shows how rainwater is collected for the use of drinking water in an Australian town.

The graph below illustrates a system's purpose to collect rainwater for the use of drinking

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in a particular Australian town.

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, the system is not complex at all, there are five key stages in the process of harvesting

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for drinking, but it needs to ensure that the

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is clear enough for humans to drink. First of all, the drainages pipes attached beside the house gathered the rainwater that stays on the eaves, after that all the drain pipes flow into one larger container, from where the

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goes through the

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filter.

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, it

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flows into a larger storage tank where it is held to control the flow rate.

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, the

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flows to the

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treatment tank where the chemical is added to it. The

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is

then

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ready to be delivered via pipes that flow from the treatment tanks to the taps inside people’s homes.