Big Jobs, Big Tools! (Paperback)

Many jobs in our world are big. That's when we need the help of big tools. Readers will learn about some of the biggest tools out there. Aircraft carriers, jumbo jets, and submarines transport people from place to place. Drilling rigs, cranes, and earthmovers make sure we can build the things we need. This set goes into the inner workings of these massive machines. Simple language delivers easy-to-understand descriptions of parts and machinery, making learning about machines easy and fun. Features include: At-level diagrams help explain the workings of machines. Full-color photographs show large-scale work sites. Informal writing style makes key items accessible and fun.