Teaching Point: “To compare and contrast compound and complex machines - ppt download
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What Is a Complex Machine?
10 Compound Machines Examples in Everyday Life – StudiousGuy
Which simple machine is a stapler an example of? - Quora
Blue stapler and piles of copper office staples on wooden office, closeup, top view Stock Photo - Alamy
Compound Machine | CK-12 Foundation
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48 Novus Staplers ideas | stapler, stapling, swingline stapler