There are many white zones in the city where there is no cell phone reception.

There are many red zones in the city where COVID-19 cases are high.

The firefighters quickly contained the zones of fire.

The military established multiple communications zones to ensure effective communication.

The car is equipped with crumple zones to absorb impact during a collision.

The demilitarized zones are established to promote peace and prevent conflicts between the two countries.

The euphotic zones in the ocean are teeming with marine life.

There are many free zones in the city.

The frigid zones are characterized by extremely cold temperatures.

The intertidal zones along the coast are teeming with diverse marine life.