Biosand Filter Videos at Mac App Store analyse

Educational videos to learn or teach proper use cases of a Biosand Filter. These videos are great for project managers, trainers, community educators, and Biosand Filter technicians. They are translated to many languages including English, French, Spanish, Haitian Creole, and Tanzanian Swahili. The Biosand Filter videos are available for many regions including Africa, Caribbean, Latin America, South Asia, and South East Asia, and Tanzania. More languages and regions are on their way!