Complex sentence: Cryolite (a fluoride salt) is used as a flux in the production of aluminum and similiar fluoride, chloride, and hydroxide salts can be used as solvents in pyroprocessing of nuclear fuel.
Split into simpler sentences: Cryolite (a fluoride salt) is used as a flux in the production of aluminum. Fluoride, chloride, and hydroxide salts can be used as solvents in pyroprocessing of nuclear fuel.