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

http://www.safewaternow.org/?page_id=31

http://causetech.net/innovation-zone/tech-inspirations/drinkable-book

http://solarballtechnology.blogspot.com/

http://causetech.net/innovation-zone/tech-inspirations/life-sack

http://www.tuvie.com/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