While in HMV environment one customer requested re-polishing of all nose skins on L/E slats, Vertical Stabilizer, Inlet Cowls, to improve appearance (no damage, such as scratches/gouges/nicks, have been noted).
L/E slat nose skin: 0.063" thick, chem milled to 0.040", 7075-T6.
Inlet Cowl lip...