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The Regodigger would be a very effective way to dig lunar regolith. First, there would be a drill to get into regolith. There would be 8 wheels because gravity is lower on the moon. There would also be a clamp for being stationary because of lower gravity again. It would also have an arm and collecting boxes (one on each side) for scooping up drilled regolith and transporting it. There would be a head in the back with 6 cameras. The robot would carry less dirt in more trips. Finally, it would have rotational air blowers for blowing off lunar dust.