Beskrivning
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.
Bokdetaljer
Format
Pocketbok
Sidor
24 sidor
Språk
Engelska
Publicerad
aug 1, 2009
Förlag
Bellwether Media
Upplagor
2 utgåvor
ISBN-10
1600143229
ISBN-13
9781600143229