Description
Ramps are simple machines used for work and play. Workers use them for easy loading and unloading. Skateboarders use them to do tricks. Readers will learn how ramps make work easier and how they are used in everyday life.
Book Details
Format
eBook
Pages
24 pages
Language
English
Published
Aug 1, 2009
Publisher
Bellwether Media
Editions
2 editions
ISBN-10
1612115055
ISBN-13
9781612115054