The air ducts in the building need to be cleaned regularly.

I am airing out the room to get rid of the musty smell.

She airs out the room every morning.

Air sheds are designated areas where air quality is monitored and regulated.

Air pistols are popular among competitive shooters.

Air guns are popular among shooting enthusiasts.

Air rifles are popular among hunters and target shooters.

Air taxis are becoming a popular mode of transportation in urban areas.

The air forces conducted a joint exercise.

The car has a smooth air-ride suspension.