These heavy machines flatten the ground to make roads or prepare the foundation of a building. They roll large drums over a surface to smooth it out. Readers will learn the parts of a roller and what kinds of rollers are used for different projects.
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These heavy machines flatten the ground to make roads or prepare the foundation of a building. They roll large drums over a surface to smooth it out. Readers will learn the parts of a roller and what kinds of rollers are used for different projects.
Read Less
