جزئیات کتاب
فرمت
جلد سخت
صفحات
24
زبان
انگلیسی
منتشر شده
Apr 27, 2006
ناشر
Heinemann Library
ISBN-10
0431064067
ISBN-13
9780431064062
توضیحات
'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.