There are many corn exchanges in the Midwest.

The exchange editors are responsible for reviewing and editing articles from foreign contributors.

Isotope exchanges occur naturally in the environment.

Non-exchangers are not allowed in this program.

The rates of exchange are constantly fluctuating.

There are many Strowger exchanges in the city.

The cation exchanges in the soil play a crucial role in nutrient availability.

Labour exchanges are important for job seekers.

Labour exchange was a common practice in the early 20th century.

They participated in a labor exchange program.