Descripción
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.
Detalles del libro
Formato
Libro electrónico
Páginas
24 páginas
Idioma
Inglés
Publicado
ago. 1, 2009
Editorial
Bellwether Media
Ediciones
2 ediciones
ISBN-10
1612115055
ISBN-13
9781612115054