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Machines we use
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Examines various simple machines and how they are used to make work easier and provides activities using wheels, levers, pulleys, screws, and more.
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Examines various simple machines and how they are used to make work easier and provides activities using wheels, levers, pulleys, screws, and more.
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"Examines various simple machines and how they are used to make work easier and provides activities using wheels, levers, pulleys, screws, and more."
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