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Useful tools to help with implementation of projects and initiatives

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Biosand filter construction videos

New set of 14 videos on Biosand Filter construction:

https://www.biosandfilters.info/updates/biosand-filter-construction-video-series

1. Preparing Construction Materials
2. Mechanical Sand Screening
3. Steel Mold Properties
4. Preparing the Mold
5. Mixing the Concrete
6. Pouring the Concrete Filter
7. Pouring the Filter with Wet and Dry... (More)

This is a song I wrote for children to learn how to wash their hands according to the World Health Organization's guidelines. There is both a video with the lyrics and a video with the images of the hand gestures.... (More)

New set of 14 videos on Biosand Filter construction:

https://www.biosandfilters.info/updates/biosand-filter-construction-video-series

1. Preparing Construction Materials
2. Mechanical Sand Screening
3. Steel Mold Properties
4. Preparing the Mold
5. Mixing the Concrete
6. Pouring the Concrete Filter
7. Pouring the Filter with Wet and Dry Concrete Mixes
8. Demolding the... (More)