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Baby Professor
pubblicato da
Speedy Publishing LLC
Before there were machines, every product had to be done manually. Even handling of dangerous substances were done by humans without proper protection. This resulted in a lot of health problems but people didn't care because they were given jobs. So when the machines were introduced, millions of lives changed. This book will tell you what those changes were and how they affected the citizens. Enjoy reading!
Scrivi una recensione per "Industrial Revolution: The Rise of the Machines (Technology and Inventions) - History Book 6th Grade Children's History"
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