இந்த Publication Issue உங்கள் மொழியில் இல்லை, இதில் பார்க்கவும்: English (en), Español (es), Português (pt), Français (fr),
அல்லது Google Translate பயன்படுத்த:  

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 MissionAssist.