Many soil scientists study how cation exchanges affect nutrient availability.

Modern telephone exchanges route millions of digital calls each day without human operators.

Needle exchanges have reduced the incidence of bloodborne infections in the city.

She exchanges contracts with overseas partners to finalize the terms.

Recent studies show that ion exchanges in the soil can dramatically affect plant nutrient uptake.

During the holidays, many neighbors organize cookie exchanges to share recipes and treats.

Many small websites participate in banner exchanges to increase their traffic.

During the small backyard ceremony, the couple exchanges vows while their children watch.

The enchanted doll exchanges flesh with anyone who wishes to trade years of life for a new body.

The company upgraded its private branch exchanges to improve call quality across departments.