Water-Purifying Devices for Clean Drinking Water in the Developing World

Hi I have to wright about Water-Purifying Devices for Clean Drinking Water in the Developing World I want you to wright 6 paragraphs the Due date March 2 2017 on 4 am New York Time City.
Here is some links you can take informations of them
http://causetech.net/innovation-zone/tech-inspirations/ecoloblue

Ceramic Water Filter

http://causetech.net/innovation-zone/tech-inspirations/drinkable-book
http://solarballtechnology.blogspot.com/
http://causetech.net/innovation-zone/tech-inspirations/life-sack

Pure Water Bottle by Timothy Whitehead Kills 99.9% Of Bacteria And Viruses

https://sawyer.com/international/videos/impact-nations/
http://www.nipponbasic.ecnet.jp/e-cc.html