Get revved up about the world of mechanics! With this book, you'll discover how these highly skilled workers keep cars, boats, planes, and more running. Find out how they use computers, diagrams, and powerful tools to diagnose problems and make repairs, and learn how you can pursue a career in this in-demand field! With the Skilled Trade Careers series, readers will get an in-depth look into the fascinating skills and tools behind trade careers. This high-interest, lower-reading-level series for young readers describes what it takes to pursue one of these in-demand careers and how dedicated professionals in these fields keep our high-tech world running. Each book features glossary words defined on the page where they appear, boosting reader comprehension and confidence.