The diagram below illustrates how a simple water filter is constructed and how it functions to produce clean drinking water. Write a report for a university, lecturer describing the information shown below. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The given diagram illustrates the process by which liquids are transformed into clean drinking

water

Use synonyms

through a series of filtration steps. It highlights the functions of different layers and mechanisms involved in producing potable

water

Use synonyms

. At the outset, the diagram depicts successive layers of gravel, charcoal, and sand, with purified

water

Use synonyms

collected at the top. These materials act as natural filters, removing impurities and clarifying the liquid. The process begins with the collection of rainwater or river

water

Use synonyms

, which is

then

Linking Words

allowed to pass gradually through the system. Over time, the mechanism ensures that contaminants are eliminated, resulting in clear and safe drinking

water

Use synonyms

. Historically, communities relied heavily on

this

Linking Words

method for centuries before the advent of modern technology, and it continues to be employed in impoverished regions or areas devastated by conflict where infrastructure has been destroyed. In conclusion, the filtration process is both reliable and efficient, yet largely obsolete in modern urban life. With technological innovations ensuring consistent access to safe and potable

water

Use synonyms

, the traditional method holds only marginal relevance.

Nevertheless

Linking Words

, its historical significance and continued use in disadvantaged regions demonstrate its enduring value as a simple yet effective solution.