sule 6666.13 Re-examination of maintenance personnel licences and certificates The Director may re-examine orally, in writing, or both, the holder of a licence, rating or certificate issued under Part19024 M I N E R A L S P I R I T S 663 Revision 10 2025 Mineral Spirits 663 is a medium-boiling aliphatic solvent consisting primarily of C9-C12 saturated hydrocarbons with