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The solid wheel cart was invented around 5000 years ago in Central Asia / Middle East by Mesopotamians. That type of wheels were made of solid wood. -
The steam tractort was invented in 1769 in France, by Nicolas Cugnot. It was work by pumping pistons up and down to movethe wheels. But it was very heavy and unstable. -
Steam train was invented in 1804 in England, by Richard Trevithick. In 1829 George Stephson and his son Robert won a competition.