Regolith gather

My robot design is first two big wheels on each side that have textured and ridged tuff rubber lining the wheel.The big arm that is connected to the spoon like shovel that picks up the lunar regolith the shovel is lined and coated with brass which has no static cling so lunar dust is not an issue the arm of the shovel is also lined and coated with brass tho the screws are copper.Once the shovel scoops the lunar regolith its dumps it into a compartment in the very back of the robot.