書籍詳情
格式
精裝書
頁數
24
語言
英語
已出版
Apr 27, 2006
出版商
Heinemann Library
ISBN-10
0431064067
ISBN-13
9780431064062
描述
'What do Levers do?' explores the simple mechanism of levers and looks at the wide range of tools and toys that make use of them. Large, clear photographs show the principle in practice and careful artwork aids understanding.