air - anti
- air (removing) roll
- air blade
- air blade coater
- air bleed press
- air blowing oil
- air cap-type headbox
- air clamp
- air coating
- air deckle
- air dog
- air drainage
- air drilling
- air dry (metric) ton
- air entrainment
- air excess factor
- air fraction
- air jet
- air knife coating machine
- air layering
- air lift system
- air loaded pressure headbox
- air make-up unit
- air pore
- air porosity
- air resistance tester
- air route
- air scoop
- air seasoning
- air seeder
- air station
- air suspension
- air-blast
- air-blast system
- air-carrying medium
- air-controlled dilution valve
- air-cushion vehicle
- air-cushioned inlet
- air-drier
- air-dry density
- air-dry moisture
