Across |
2. | Device with a handle used to lift the buckets out of the wells. | 3. | Point of support of a lever. | 6. | Rigid bar with a point of support. | 7. | Wheel with teeth. |
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Down |
1. | Wheel with a rope that rotates around an axle. | 2. | Mechanism that reduces the rotation speed a lot. | 4. | Device that enables us to do a work with less effort. | 5. | String that joins pulleys. |
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