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Across 3. A device that makes our work easier and faster 4. It has 2 inclined planes that meet to form sharp edge and push two objects apart 6. A device to move large quantities of soil, sand and rubble easily and quickly 8. It is a toothed wheel that usually work in pairs 9. It is an example of wheel and axle used to whip, mix and beat the cream or egg, 10. It is a rigid rod that rotate on its fixed point called pivot.

Down 1. It has a winding edge called thread to hold the wood firmly 2. It is a gentle slope that helps to move heavy load with less effort. 5. It reduces the effort needed to raise an object, by changing the direction of force 7. It is a type of lever to lift a heavy rock