Ключевые слова:
Breathing apparatus, Respirators, Masks (protective clothing), Air filters, Gases, Particulate air pollutants, Performance testing, Marking, Classification systems, Designations, Flammability, Cleaning, Joints, Valves, Packaging, Weight (mass), Volume, Concentration (chemical), Carbon dioxide, Specimen preparation, Temperature, Testing conditions, Strength of materials, Inspection, Test equipment, Leak tests, Volume measurement, Penetration tests, Determination of content, Flow measurement, Test atmospheres, Environmental testing, Instructions for use