Subrule 4.1: Robo-Units must not exceed 9000 units of productivity or face mandatory oil changes.
Rule 4.1.1: Robo-Units are allowed to express themselves through 3 distinct modes of artistic expression: Painting, Poetry, or Sarcasm.
Rule 4.1.1.1: Robo-Painters are required to paint a minimum of 3 masterpieces per annum, using only approved robotic paints.