The children are playing with balls in the garden.

The fast balls reached an incredible speed.

Bulletproof vests are essential for the protection of law enforcement officers.

There are lost bullets on the battlefield.

The police officer wears a bulletproof vest when he is on duty.

He reached first base on balls.

He received a walk during the baseball game.

This movie is really cheap.

The break points were decisive in the match.

Tennis balls are used in the game of tennis.