Working machines
por
Describes simple machines and how they work, including the inclined plane, levers, wheels and axles, the wedge, screws, and pulleys.
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Describes simple machines and how they work, including the inclined plane, levers, wheels and axles, the wedge, screws, and pulleys.
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"Describes simple machines and how they work, including the inclined plane, levers, wheels and axles, the wedge, screws, and pulleys."
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