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lever, inclined plane,
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Simple machines found at home include a lever (like a seesaw), a pulley (used in curtains), and an inclined plane (ramp for loading). Complex machines include a washing machine, which uses a combination of levers and pulleys, a dishwasher that incorporates multiple simple machines, and a microwave, which combines electrical and mechanical components to heat food. Other examples of complex machines are a blender, vacuum cleaner, and refrigerator. Each of these machines utilizes various simple machines to perform specific tasks efficiently.
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Tin snips are similar to scissors - they are a combination of two wedges (the blades) and two levers (each blade and the handle it connects to) joined at a fulcrum (the hinge.)There are many types of simple machines. Tin snips would be a first class lever, as the fulcrum(pivot) is in the middle.