What is a big rig? -- Many wheels -- Hooking up the trailer -- On the road -- Big rig diagram -- Exhaust pipes.
Summary:
"Big rigs race down highways carrying hundreds of packages. How do they drive, turn, and slow down while carrying so much? With full-color photos and accessible text, readers will discover the science behind how big rigs drive"-- Provided by publisher.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.