bn:30349369n
Noun Concept
Categories: Breathing apparatus
EN
Breathing apparatus  Breathing equipment  Breathing helmet  Breathing set  Emergency breathing apparatus  Mouthpiece
EN
A breathing apparatus or breathing set is equipment which allows a person to breathe in a hostile environment where breathing would otherwise be impossible, difficult, harmful, or hazardous, or assists a person to breathe. Wikipedia
Definitions
Sources
EN
A breathing apparatus or breathing set is equipment which allows a person to breathe in a hostile environment where breathing would otherwise be impossible, difficult, harmful, or hazardous, or assists a person to breathe. Wikipedia