The diagram below shows a simple system that turn dirty water into clean water.Summarise the information by selecting and reporting the main features, and make comparisions where relevant.

The diagram illustrates the components and process of a two-stage

water

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-filter assembly designed to purify dirty

water

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into drinking

water

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.

Overall

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, the filtration system consists of two primary containers connected by a pipe: a

plastic

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barrel

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responsible for filtering the

water

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through distinct layers, and a storage drum designed for collecting and dispensing the purified

water

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. In the first stage, dirty

water

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is poured into the top of a

plastic

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barrel

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, which can be covered with a

plastic

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lid. The

water

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travels downwards through three distinct filtration materials in sequential order

:

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:

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an upper layer of sand, a middle layer of charcoal, and a bottom layer of gravel. The

plastic

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barrel

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is elevated on legs to sit slightly above the height of the adjacent storage drum. In the final stage, after passing through the filtration materials, the purified

water

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flows out near the top of the

barrel

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through a connecting pipe and into the storage drum. The clean drinking

water

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is stored in

this

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second vessel and can be drawn out as needed via a tap located at the bottom into a glass.