Some complex robots build things in factories. These robots are building a 3D printer.
Some simple robots have become common household appliances. Robot vacuums, like the one on the right in this photo, are used to clean floors.
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Have you ever used a robot? Or have you seen someone else use a robot?
Have you read another book about robots or other modern technology? What sort of facts did you learn in this book?
How can robots change the world?
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