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Oliver Rivera——Works at the United Nations Office on Drugs and Crime, Lives in Vienna, Austria.
It has a lever (the handle) and a wedge (the blades of the scissors). A more complex
compound machine is a stapler and staples. A stapler has a lever - the handle, a wedge - the staples a wheel and axle - the pivot point for the lever and an inclined plane - the slant for papers to slide up under the staple dispenser.
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