Sunday, April 21, 2013

Life Sack

People living in developing countries are often without clean water. The process of purifying large amounts of water is something they don't have available to them. There are some small-scale water purifying devices that have been invented, and are helping to prevent individuals living in developing countries from many of the illnesses drinking unclean water lead to.
One of these devices is the Life Sac. This bag uses UVA radiation, in addition to it's filtration device, to purify waters. Often, these sacs will be donated filled with food. When the food has been used, the bag is then used as a water purifier.


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