Descripción
Screws are simple machines used for many different jobs. The concept of a screw is used in snow blowers, drills, and presses. Kids will learn how screws work and how they are used in complex machines.
Detalles del libro
Formato
Tapa blanda
Páginas
24 páginas
Idioma
Inglés
Publicado
ago. 1, 2009
Editorial
Bellwether Media
Ediciones
2 ediciones
ISBN-10
1600143229
ISBN-13
9781600143229