the cleanness of water, benefit of water, false information about water and actual state of businesses with water and water purification.
Purpose of this section is to dissociate grains from darnels, darnels from grains and contaminants in water from water.
Researches, articles, glossary, questions and answers, publications from the Internet is presented in this section ADDITIONAL INFORMATION
If interestingly you to see how exactly filters work for water treatment, on reference you can pass to this information. Except for description there are animations of processes of water treatment.