When the water heater is working correctly, water will flow from the storage tank to the collector and back again.

VOA: special.2009.04.20

A specially designed collector gathered dust particles from the comet and stored them on the spacecraft.

VOA: special.2009.09.30

But collector Jennifer Fisher says more than five hundred Nancy Drew books have been published.

VOA: special.2009.08.24

Today we tell about the art collector and cultural supporter, Isabella Stewart Gardner.

VOA: special.2009.01.11

As Treasury secretary he is the nation's chief tax collector.

VOA: special.2009.01.30