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= Additional information =
= Additional information =
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{{#widget:Iframe |url=http://www.slideshare.net/slideshow/embed_code/61938886" |width=450 |height=360 |border=1 }}
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#Link to download this PPT in pdf format: http://www.slideshare.net/BheemappaN/10th-class-science-chapter-9-heat-engines-ushna-enginegalu-kannada-ppt-in-pdf-format
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{{#widget:YouTube|id=wSjdPySYIxU}}
{{#widget:YouTube|id=wSjdPySYIxU}}