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Product #: EMC0398077_TQSimple Machines: Screw (Resource Book Only) eBookGrade 2|Grade 3|Grade 4Sale! Ships Free!
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Please Note: This ebook is a digital download, NOT a physical product. After purchase, you will be provided a one time link to download ebooks to your computer. Orders paid by PayPal require up to 8 business hours to verify payment and release electronic media. For immediate downloads, payment with credit card is required.
Two simple pages that describe a screw and illustrate how the screw is used to help raise and lower things in addition to holding things together
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