| Descriptors | Breathing apparatus, Compressed air, Supplied air breathing apparatus, Respirators, Protective clothing, Helmets (protective), Grades (quality), Instructions for use, Marking, Safety devices, Warning devices, Safety valves, Gas valves, Flexible pipes, Safety harnesses, Performance testing, Laboratory testing, Fire tests, Flammability, Leak tests, Porosity measurement, Environmental testing, Low-temperature testing, Mechanical testing, Flow measurement, Sound intensity, Acoustic measurement, Carbon dioxide, Testing conditions, Test equipment, Reports |