What truck do you need when you want to make a new sidewalk? A concrete mixer! Concrete mixers bring concrete to construction sites. From a goopy mixture to dry concrete, concrete mixers are there to help. A colorful photo glossary and carefully leveled text help young readers build nonfiction learning skills and learn all about concrete mixers.
५ वर्ष र सोभन्दा कम उमेरका लागि