- Portable Microbiology Lab ,
- Worldbike Open Source bicycleBig Boda ;
- Bamboo treadle pumps from Gunnar Barnes;
- Q Drum rolling transport, part of EWB.
- Domed Pit Latrine Slab we also learned about at the Cooper-Hewitt Designing for the other 90% Art Exhibit years ago.
Keeping water clean is the way to make safe food medicine and fiber.