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In the front of Luna S. is a camera. This allows for NASA to see the progress from Earth. The shovel picks up little regolith at a time so the rocks have less contact with each other. Luna S. has a system to identify rock. If a rock has any water in it, it goes into the water bucket. Minerals are identified in the same way. When a rock type is not needed it is removed through the chute on the side. Two buckets in the back have a removeable plate underneath. When you want one of the two certain rock types to go to the ramp, you release the plate. This ramp leads to a tube that holds the rock type. Magnetic poles create static to keep rocks from sticking to the rover. Solar panels power Luna S.