air-load
air-lock
airlock
airlocking
air-lubricated
airmail
air-mass
air-melted
air-mineral
air-mixing
  air-natural
air-oil
air-operated
air-operating
air-out
air-over-oil
air-oxide
air-petrol
air-piloted
air-placed
airplane

    air-natural transformer

    трансформатор с естественным воздушным охлаждением