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sunlight is converted to heat energy that is retained for cooking loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer2022051912600286ffd9e3b74e2f1b751ahtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=understanding-solar-cooking-its-history-and-application-principles-solarhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Understanding Solar Cooking Its History and Application Principles: Solar cookers work on basic principles: sunlight is converted to heat energy that is retained for cooking loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer2022051912600286ffd9e3b74e2f1b751ahtml5thumbnails3jpg width=140 height=200 divdivdiv 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is converted to heat energy that is retained for cooking loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer2022051912600286ffd9e3b74e2f1b751ahtml5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=understanding-solar-cooking-its-history-and-application-principles-solarhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: Understanding Solar Cooking Its History and Application Principles: Solar cookers work on basic principles: sunlight is converted to heat energy that is retained for cooking loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer2022051912600286ffd9e3b74e2f1b751ahtml5thumbnails6jpg width=140 height=200 divdivdiv 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