Ключевые слова:
Contaminants|Filters|Mathematical calculations|Supplied air breathing apparatus|Gas flow|Dust|Marking|Respirators|Selection|Colour codes|Bibliography|Air pollution|Air filters|Hazards|Training|Breathing apparatus|Visual inspection (testing)|Compatibility|Pressure testing|Inspection|Occupational safety|Safety devices|Industrial air pollutants|Pollutant gases|Efficiency|Protective clothing|Compositional tolerances|Risk assessment|Maintenance|Standards|Particulate air pollutants|Safety measures|Performance testing|Quality|Leak tests|Cleaning|Classification systems|Compressed air|Environment (working)