7 April 2016
- 18:0218:02, 7 April 2016 diff hist +352 OHorizons BioSand Filter No edit summary
- 18:0118:01, 7 April 2016 diff hist +310 Wood Mold for Concrete BioSand Filter Production No edit summary
- 17:3917:39, 7 April 2016 diff hist +55 Appropriate technology →Water supply and treatment
- 17:3617:36, 7 April 2016 diff hist +185 Appropriate technology →Water supply and treatment
- 17:2817:28, 7 April 2016 diff hist +155 Slow sand filtration No edit summary
- 17:2117:21, 7 April 2016 diff hist +21 Point-of-use water treatment →Examples
- 17:1717:17, 7 April 2016 diff hist +82 OHorizons BioSand Filter No edit summary
- 17:1217:12, 7 April 2016 diff hist +9,850 N OHorizons BioSand Filter Created page with "The BioSand Filter (BSF) is a simple and affordable low-tech water filtration device designed for household use in developing countries. Using sand, gravel, and natural biolog..."
6 April 2016
- 19:2819:28, 6 April 2016 diff hist 0 Wood Mold for Concrete BioSand Filter Production →Project goals
- 17:4417:44, 6 April 2016 diff hist +180 Wood Mold for Concrete BioSand Filter Production →Project goals
- 17:3917:39, 6 April 2016 diff hist +32 N File:OHorizons BioSand Filter Project in Mali.jpg No edit summary
- 17:3717:37, 6 April 2016 diff hist +32 N File:Wood Mold Construction Bangladesh.jpg No edit summary
- 17:3417:34, 6 April 2016 diff hist +125 Wood Mold for Concrete BioSand Filter Production No edit summary
- 17:0017:00, 6 April 2016 diff hist +32 N File:Startup Cost Reduction.png No edit summary
- 16:5816:58, 6 April 2016 diff hist +32 N File:Wood mold production.jpg No edit summary
- 16:5516:55, 6 April 2016 diff hist −277 Wood Mold for Concrete BioSand Filter Production No edit summary
- 16:3616:36, 6 April 2016 diff hist +6,288 N Wood Mold for Concrete BioSand Filter Production Created page with "<!-- Comments that appear only in the edit view are formatted like this. --> <!-- These comments are offered as an aid as you get started. Remove as you wish. --> <!-- next li..."
- 16:1516:15, 6 April 2016 diff hist +32 N File:OHorizons Wood Mold Contruction Ecuador.jpg No edit summary
- 16:1316:13, 6 April 2016 diff hist +32 N File:Bangladeshi Women with OHorizons BSF.JPG No edit summary
- 16:1216:12, 6 April 2016 diff hist +32 N File:Bangladesh biosand filter clean water.jpg No edit summary
- 16:1016:10, 6 April 2016 diff hist +32 N File:Parts of a Concrete BioSand Filter.jpg No edit summary
- 16:0816:08, 6 April 2016 diff hist +32 N File:OHorizons Wood Mold.jpg No edit summary