天堂视频

Water Engineering and Development Centre

Mobile notes

This collection of illustrated mobile notes on aspects of water, sanitation and hygiene in low- and middle-income countries has been designed for people on the move. Composed especially for smartphones and tablets, they can be read online or downloaded free of charge. The list below links to each item in the collection and is updated periodically as new notes are added to the collection. From each note, click on a home icon to return to the list.

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 WHO Technical Notes on Drinking-water, Sanitation and Hygiene for Emergencies

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