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To solve the regolith problem, I would put rubber on everything so the regolith doesn't static cling to the rover, because rubber is an insulator. I would put a camera so it would report problems. The drill will drill a hole in the regolith, then the vacuum will suck up as much regolith as it can. Then, the regolith goes into the ten pound storage box. The drill will be covered in extra rubber because it will face the most regolith. The rover will transport less dirt in more trips. There will be four treads on the bottom of the rover. The two front treads will be 10 inches long and the back two will be 5 inches long. They are both 6 inches wide. I would put rectangular rubber treads instead of wheels so the regolith won’t get stuck in the middle of the wheel.