Looking at the clouds floating in the sky, he began to dream.

In the filming of this movie, blank ammunition was used instead of actual guns.

There are still vacant seats on the train.

He was devouring the pizza.

He underwent surgery on his jejunum.

Click consonants, or 'kyuuchakuon', are often used in African languages.

This engine adopts the air cooling system.

He is a master of unarmed combat.

In this factory, we use compressed air to operate the machines.

I recorded music with my new sound recorder.