Wedges to the Rescue

"Describes wedges, including what they are, how they work, loja past uses, and common uses preco of these simple machines today"--Provided by loja publisher.
Editora: First Facts
ISBN: 0736867503
Número de páginas: Wedges to the Rescue 24
Acabamento: 
SCHOOL AND LIBRARY
Local de Publicação: United States