A museum specialist, also known as a restorer, is someone who specializes in the conservation and restoration of artifacts and artworks. They are responsible for preserving and restoring items to their original condition, while also ensuring that they remain safe and secure. Restorers use a variety of techniques to clean, repair, and protect artifacts, including chemical treatments, mechanical cleaning, and protective coatings. They also document their work and provide advice on how to best care for the items.