traffic circulation

circulation-controlled anti-torque or circulation-controlled direction control system

traffic circulation annex

traffic circulation plan

hydrostatic factor in circulation

circulation control point (CCP)

circulation overlay

water circulation gauge

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

circulation

circulation control

circulation of a velocity vector

air circulation

general circulation

Helmholtz circulation theorem

moment of circulation

principle of persistence of circulation

Thomson circulation theorem

Thomson theorem on material change of circulation

Zorawski theorem on persistence of circulation

blood circulation

air traffic clearance

air traffic control centre

air traffic control operator

air traffic control procedures

air traffic control radar

air traffic control service

air traffic flow management (ATFM)

air traffic management (ATM)

air traffic management centre (ATMC)

air traffic service (ATS)

air traffic signalling system

airspace and traffic management