sand filter

The Nadi Filter

If you’ve been following my blog you may have read a while back about Rus Alit who is well known for his work helping communities to get clean water through appropriate technologies.  If you didn’t read that article appropriate technology is any technology that is simple and doesn’t use any outside energy source like fuel or electricity and uses materials that are available locally and can be made locally.  I had never heard about appropriate technology before writing the articlecontinue reading

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