киснево-дихальна апаратура
breathing oxygen
breathing-oxygen system
scuba (Self-Contained Underwater Breathing Apparatus)
self-contained breathing apparatus (SCBA)
hose breathing apparatus
fresh-air hose breathing apparatus
autonomous breathing apparatus
self-contained open-circuit breathing apparatus
liquid oxygen plant
oxygen
oxygen kit
oxygen purge system
oxygen corrosion
oxygen flow indicator
oxygen-oil rocket fuel
oxygen concentration
oxygen recovery
oxygen supply
passenger oxygen system
dissolved oxygen
oxygen equipment
portable oxygen system
quick-donning oxygen mask
liquid oxygen
oxygen mask
air-breathing jet engine
breathing control
engine breathing ability
hose breathing device
CABCDE (Critical Bleeding, Airway, Breathing, Circulation, Disability, Exposure)
terrain-hugging air-breathing low-flying vehicles
air breathing engine