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The image depicts a water filtration system involving two main components: a plastic barrel and a storage drum. Water is poured from a container into the plastic barrel, which contains three filtration layers: gravel at the bottom, charcoal in the middle, and sand at the top. An input pipe at the top facilitates the water's entry, while an output pipe on the side connects to the storage drum. The filtered water then gravitates through the side pipe, enters the sealed storage drum, and emerges as drinking water via a tap or faucet located at the bottom of the storage drum. The system is covered with a plastic lid to protect the contents.
Given the complexity of the image, the above description may not be entirely accurate.
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The diagram depicts how to use a simple water filter assembly to clean dirty water to produce drinking water.
Overall, there are 4 main stages in the process, beginning with flowing dirty water into this system and ending with getting purified one.
In the first step of the process, users need to open the plastic lid to pour contaminated water into a water filter system. Then, it experiences a filtering process with some types of natural resources, which easily to find. In this stage, water is purified through three layers, including a sandy bed on the top, a charcoal layer in the middle and the gravel in the bottom. Subsequently, the purified water flow into a storage drum by a small plastic barrel, which is installed on the top of the water filter. Finally, if users want to drink drinking water, they just need to open the tap of this drum.
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