The diagram below shows how a simple water filter is constructed and how it functions to produce clean drinking water. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

This progress gives information about a simple system that turns dirty water into clean water. Overall, looking at the process, we can see that this process has three steps, starting with unclean liquid and ending with the drinking water storage drum. To begin with, the process starts with pouring water into the above storage drum. […]