The diagram displays an easy process by which polluted water can be made drinkable.
In the start polluted water has been added to a big container, that contain water purifying ingredients, once the water purified they are then pour into adjecent plastic container through pipe, which have a tap in the bottom to take clear water from.
The process of purifications strats by leting up the led made of plastic from the large container, the water from another small bottle, that can be lifted by hand is pour into the container, when the water enter the conatiner they are going to pass through three different layrs of sand, charcoal andgravel respectively, the large particle will stuck in charcoal while the small one will purify through sand and gravel.
Once the water gets purify it is then trasfer to another container attach through pipe, which has a storage for drinking water, with a tap at the bootom from which drinkable water can be out.