发表于2024-12-28
Get to Know Levers 2024 pdf epub mobi 电子书
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This title is suitable for children of ages 7 to 8 years. Levers play an important part in all our lives! Without them we could not row a boat, move a wheelbarrow, or open a bottle. This book teaches children about the different kinds of levers. Simple and easy-to-follow layouts and diagrams explain how levers lift turn, grip, and cut.
Get to Know Levers 2024 pdf epub mobi 电子书