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"Smartindia is the best online tool for school students." Ms Deepa Chandran, Principal Anchal
"Smartindia is one of the best supplementary education tool for school students." Ms Pooja, Principal
Who invented petrol engine? |
Jean Joseph Étienne Lenoir also known as Jean J. Lenoir was a Belgian engineer who developed the internal combustion engine (petrol engine) in 1858. |