The sky was filled with balls of fire.

The plumber replaced the old ball cocks with new ones.

I bought a bunch of banana balls at the grocery store.

He received three bases on balls in the game.

He received three bases-on-balls in the game.

I love playing with bouncy balls.

There are many ball clubs in the city.

The battlefield was littered with cannon balls.

The closed balls in the set are all of the same size.

Coal balls are ancient plant fossils that formed during the Carboniferous period.