Screws
By: by Valerie Bodden.
Series: Simple machines
Publisher: Creative Education
Published: 2011
Place of publication: Mankato, MN
Language: eng
ISBN-13: 9781608180110
Subjects: Screws -- Juvenile literature
Genres: Juvenile literature
Description: "A foundational look at screws, explaining how these simple machines work and describing some common examples, such as jar lids, that have been used throughout history"--Provided by publisher.
Notes: Includes index.