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Railway engineering

technology Maturity 9-11 Next article →

People design and build trains.

Long ago, horses pulled wagons. These wagons moved on wood and stone. The wood wore out quickly. Later, people added iron to the tracks. This helped them carry more weight. Soon, strong steel rails were made. Now, many experts work on trains. They make sure tracks stay safe. They help trains move goods far away.

It is a big job for many people.

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