The air-heads in the room were completely clueless.

The truck is air-braked.

I air mailed the package yesterday.

I am air mailing the package to my friend.

She air mails the package to her friend.

I sent the documents via air mails.

I need a change of air, I've been stuck in the city for too long.

The air-smoothed car glided effortlessly down the highway.

The soldiers used the air commode during their mission.

The air reservoir is used to store compressed air.