up in the air

go up in smoke

go up the line

fly up in the wind

hole up in the body

weather warm up in the world

a castle in the air

air in the core

air in the factory

Air in the submarine cabin

air in the tunnel

Air in the workplace

Air in the workplaces

Air in the workshops

air motion flow field in the air duct of a rotor

bell in the air

blow-in in the intermediate repair

brazing in the air

castle in the air