First facts. Transportation zone

Introduces readers to police cars, including their history, types, and functions. Includes color photographs, simple text, a hands-on project, further reading, a glossary, and an index. Describes early police transportation and provides information about today's police cars including its external and internal parts and other equipment used to help the officers do their jobs. Includes instructions for making a siren as well as a glossary, an index,...

Semitrucks cruise the highways carrying food, machinery, or livestock to where they need to go.

"Discusses the history, function, and workings of tractors"--Provided by publisher.