Aircraft. Airplanes . Airplane . Ejection Seat . Helicopter . Seat, Ejection . Seats, Ejection . Ejection Seats . Helicopters . A weight-carrying structure for navigation of the air that is supported either by its own buoyancy or by the dynamic action of the air against its surfaces. (Webster, 1973) . 0.41
Air Pollution. Air Quality . Air Pollutions . Pollution, Air . Atmospheric Pollution . The presence of contaminants or pollutant substances in the air (AIR POLLUTANTS) that interfere with human health or welfare, or produce other harmful environmental effects. The substances may include GASES; PARTICULATE MATTER; or volatile ORGANIC CHEMICALS. . 0.36
Air Quality Control. Air Contamination Control . Control of Air Quality . Monitoring weather conditions based on monitoring and applying appropriate quality standards. (Free translation of the original: ANVISA Environment Team) . 0.32
Aviation. Air Traffic Control . Control, Air Traffic . Traffic Control, Air . Parachuting . Design, development, manufacture, and operation of heavier-than-air AIRCRAFT. . 0.32
Dehumanization. Dehumanisation . The process by which a person or group of persons comes to be regarded or treated as lacking in human qualities. . 0.30
Sanitary Control of Airports and Aircrafts. Sanitary control and fiscalization in aircraft sand airport facilities to prevent the spread of communicable diseases and risk of damage to the environment and public health. . 0.30