Descripción
Screws are simple machines used for many different jobs. The concept of a screw is used in snow blowers, drills, and presses. Kids can learn how screws work, and how they are used in complex machines.
Detalles del libro
Formato
Libro electrónico
Páginas
25 páginas
Idioma
Inglés
Publicado
ago. 1, 2009
Editorial
Bellwether Media
Ediciones
2 ediciones
ISBN-10
1612115322
ISBN-13
9781612115320