Building hardware. Panic exit devices operated by a horizontal bar, for use on escape routes. Requirements and test methods|Durability, Release mechanisms, Dimensions, Corrosion resistance, Corrosion tests, Performance testing, Quality control, Safety devices, Emergency exits, Instructions for use, Closing and check mechanisms, Designations, Design, Marking, Ironmongery (buildings), Anti-burglar measures, Fire doors, Bolts (security), Crowd safety, Fire resistance, Means of escape from fire in buildings, Classification systems, Endurance testing, Mass, Buildings open to the public, Installation, Mechanical testing, Strength of materials, Security, Doors, Hazard prevention in buildings, Environment (working), Panic bolts, Grades (quality), Maintenance, Fire safety in buildings, Performance, Force, Conformity, Projections, Type testing