Keywords: Päikesekollektori tööpõhimõte.jpg en Solar collector works 2014-10-06 19 12 50 https //en wikipedia org/wiki/Solar_water_heating mediaviewer/File IndirectSystemSchematics2 jpg Willemferguson other versions PD-Art Uploaded with UploadWizard Solar Uncategorized 2014 October 6 |