Tài nguyên được gắn thẻ với: Water Filtration

2 đề mục được tìm thấy (Hiển thị 1 - 2)

  1. Overview of the 300 L/Day Biosand Water Filtration System_with Thai

    Biosand Filter biochar filter water filtration WASH Asia

  2. How to Make a Water Filter

    How to make a simple filter to give clean drinking water, using locally available materials such as clay pots, sand, stones and gravel. Adapted from CLEAN WATER FOR ALL, produced by The Church Missionary Society (CMS), 2005. This edition was published in the United Kingdom in 2019 by...
    water filtration Health and hygiene Downloads Appropriate Techno...