Write short article on "An invention that made a difference to mankind".
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An invention that made a difference to mankind
There are various inventions that have transformed mankind. However, one invention that has made a huge difference to mankind is the invention of engine. It started with the invention of steam engine. This invention led to the invention of many types of engines. The entire world runs on these engines. From the microchips in smartphones and computers to the big jet engines that make aero planes fly in the air, engines have completely transformed mankind.
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