. "perfluorocarbon carrier oils" . "Fluorocarbon" . . "perfluoroalkanes" . "fluorinated" . "hydrofluorocarbons" . "Fluorocarbon" . "hydro-fluorocarbons" . "perfluorinated compound" . "organofluorine compounds" . "perfluorinated" . "PFA" . . "Perfluoroolefin" . "Perfluorocarbon" . "fluorocarbons" . "fluorocarbon" . "fluorinated hydrocarbons" . "Perfluorocarbons" . "fluorochemical" . "Fowler process" . "fluorocarbon fishing line" . . "Fluorinated" . "PFCs" . . "4-fluoro" . . "perfluorocarbons" . . . "perfluorocarbon" . "fluoroalkanes" . . . "perfluoric" .