What Is a Pulley? (Welcome Books: Simple Machines) indir

Isbn 10: 0516240242

Isbn 13: 978-0516240244

What Is a Pulley? (Welcome Books: Simple Machines) pdf indir

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Introduces pulleys and how they work to raise flags, as well as heavy objects.

yazar :Lloyd G. Douglas
Isbn 10 :0516240242
Isbn 13 :978-0516240244
yayınevi :Children's Press(CT)
Tarafından gönderildi What Is a Pulley? (Welcome Books: Simple Machines):1 Eylül 2002