Beskrivning
Levers are a simple machine that makes work easier. Young readers will learn what a lever is, how it makes work easier, the three classes of levers, and how they are used for both work and play.
Bokdetaljer
Format
e-bok
Sidor
25 sidor
Språk
Engelska
Publicerad
aug 1, 2009
Förlag
Bellwether Media
Upplagor
2 utgåvor
ISBN-10
1612115039
ISBN-13
9781612115030