air-purge
air-purification
airquality
air-regulated
air-report
air-return
air-route
air-sand
airscoop
air-scooping
  airscrew
air-sea
air-search
air-seasoned
air-set
air-setting
air-shaft
airship
airsickness
air-sieve
air-slag

    airscrew reverse rotation

    обратное вращение воздушного винта