Keywords: Pictogrammes SODIS.svg SODIS method solar water disinfection SODIS fr désinfection solaire de l'eau Pictograms_SODIS jpg 2010-09-05 12 43 UTC Pictograms_SODIS jpg Samuel Luzi file as it is Fundacion SODIS http //www fundacionsodis org/ some pictorials derivative work Treehill <sup><small> fr Treehill</small></sup> Other fields + RetouchedPicture passage svg + traduction Treehill Pictograms_SODIS jpg self made parts of the pictorials are taken from a leaflet used in</nowiki> Uploaded with derivativeFX Development Survival skills Sustainability Solar water treatment |