Dettagli del libro
Formato
Kindle
Pagine
24
Lingua
Inglese
Pubblicato
Jan 1, 2014
Editore
The Child's World
ISBN-10
1631431323
ISBN-13
9781631431326
Descrizione
Readers learn how this simple machine makes it easier to keep objects locked together. By the end of the book, readers know the difference between complex and simple machines and how screws are used in everyday life to make work easier.