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The Stem of Skyscrapers
inbunden,
2020,
Engelska,
ISBN 9781502650184
Since builders broke ground on the first skyscraper in 1884, engineers and architects have continued to pioneer exciting innovations as they literally reach for the sky. Give your …
The Stem of High-Speed Trains
inbunden,
2020,
Engelska,
ISBN 9781502650221
At top speeds of more than 250 miles per hour, high-speed trains are designed to carry passengers over long distances quickly and safely. Readers will explore how trains have …