The term 'WORKS AT A MUSEUM' can be broken down into two crossword solutions: OILS (4 letters) and ART (3 letters). OILS is likely referring to a museum conservator, who is responsible for the preservation of artifacts and works of ART. This includes cleaning, repairing, and restoring objects, as well as monitoring the environment in which they are stored. ART is likely referring to an ART curator, who is responsible for the acquisition, display, and interpretation of artwork in a museum. They also research and write about the artwork, and may give lectures or tours.