My Favorite Machine: Concrete Mixers

What is your favorite machine? In My Favorite Machine: Concrete Mixers, young readers will learn all about concrete mixers. This book introduces kids to the different concrete mixers and the process used for making and transporting concrete.

Sample Text: Cement mixed with sand or gravel and water makes concrete. These things are put into a drum that spins. The drum never stops spinning. If it did, the concrete would dry.

© 2018 Xist Publishing (دفتر الصوت ): 9781532419386

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دفتر الصوت : ١ مايو ٢٠١٨