16 March 2008
- 19:4719:47, 16 March 2008 diff hist +1,352 WAPI (Water Pasteurization Indicator) Expanded on text and included a .jpg and external links.
- 18:0818:08, 16 March 2008 diff hist +82 N File:Wapi-before-after.jpg The WAPI (water pasteurization indicator) developed by Solar Cookers International current