Vertical 4-panel grid split, featuring four metallic surface conditions. Top panel: polished chrome showing mirror-like reflections with microscopic fine scratches. Second panel: heavy industrial steel plate covered in flaking orange rust and deep corrosion pits. Third panel: brushed bronze metal with directional anisotropic micro-grooves and subtle tarnish spots. Bottom panel: rough cast iron skillet surface showing thousands of tiny casting pores and a matte black finish. Extreme macro, high specular contrast., Trigger Words: real_surface