Functional Electrical Stimulation Factor Evaluation System Flash Evaporator System Fine Error Sensor field emission spectroscopy Flight Element Set Fluids Experiment System Fixed Earth Station Flywheel Energy Storage Facilities Engineering Services Falls Efficacy Scale Family Environment Scale Fast Electron Spectrograph fat embolism syndrome Fine Error Signal Fixed End System Flash Evaporator Subsystem Fleet Exercise Sections Forced Entry Switch Frequency Exchange Signaling Frequency Exchange Signalling Functional Elements Aero Taxis Y Servicios Alfe Fachnormenausschuss Eisen und Stahl Faculty of Engineering Sciences Faculty of Environmental Studies Fairbanks Elementary School Fairfax Elementary School Fairfield Elementary School Fairhaven Elementary School