It also has a heat exchanger to circulate warm air into the living room.

Although they continued to circulate into the 1960s, the mint collected large numbers of the 1943 cents and destroyed them.

You also have some that circulate from your marrow into your blood.

These windows could be fully opened to circulate fresh air into the building.

However, the Georgian coins continued to circulate into the 1860s.

The pitis was a currency of Brunei last issued in 1868 which circulated into the 20th century.

Perhaps the term seems to begin to contradict itself, to circulate back into itself.

An infection picked up from an animal organ could circulate into the general population through xenotransplantation.

There is a specific problem of how to change these Marks which are circulating into euro notes and coins.

Luckily the window had been left open to circulate fresh air into the kitchen.