Descriptors | Supplied air breathing apparatus, Breathing apparatus, Respirators, Compressed air, Rescue equipment, Emergency equipment, Performance testing, Thermal testing, Low-temperature testing, High-temperature testing, Environmental testing, Duration, Pressure testing, Leak tests, Fire tests, Flammability, Performance, Mass, Flow rates, Design, Volume, Weight (mass), Warning devices, Testing conditions, Test equipment, Specimen preparation, Marking, Instructions for use, Safety harnesses, Tensile testing, Vibration testing, Safety devices, Current measurement, Circuits |