User contributions

15:02, 18 July 2009 (diff | hist) . . (+281)‎ . . UV treatment / Solar disinfection (SODIS) ‎ (Adding alternative SODIS design.)
14:22, 18 July 2009 (diff | hist) . . (+375)‎ . . Single Ventilated Improved Pit ‎ (Added information on need to keep superstructure dark and origins of design.)

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