breathing control

air-breathing jet engine

scuba (Self-Contained Underwater Breathing Apparatus)

self-contained breathing apparatus (SCBA)

engine breathing ability

hose breathing apparatus

hose breathing device

CABCDE (Critical Bleeding, Airway, Breathing, Circulation, Disability, Exposure)

terrain-hugging air-breathing low-flying vehicles

fresh-air hose breathing apparatus

air breathing engine

breathing system

compressorless air-breathing jet engine

ram air-breathing jet engine

oxygen-breathing apparatus

autonomous breathing apparatus

breathing oxygen

breathing-oxygen system

self-contained open-circuit breathing apparatus

air breathing defense

air breathing missile

air breathing target

gun control equipment / gun-control equipment (GCE)

individual control (of fire) / individual fire control

anti-torque control pedal / directional control pedal

directional control pedal / anti-torque control pedal

control surface / control-surface

roll-control / roll control

time-gain control / gain time control

fire-control director / fire control director

aileron control rod (from control wheel)

aerodrome control service

aerodynamic control surface