Street sweepers

"There's a truck to thank for keeping our streets clean-a street sweeper! Watching this terrific truck at work is mesmerizing. Depending on the kind of truck, it may have high-power sprayers, brooms, vacuums, or other devices to scour and clean the streets. Readers will love the action photographs in this high-interest volume as well as the many cool facts about this magnificent machine through accessible, low-ATOS text"--.