Simple Water Filter and Bicycle Microfilter Upgrade

The ProblemWater Scarcity is a major world problem. It affects a huge area, including every world continent. 2.8 billion people one month a year have problems with water scarcity, and more than 1.2 billion people lack access to clean drinking water. Water Scarcity has many causes. One is climate cha...
By: IanTheBold

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