Doctor Terry Pechacek at the C.D.C. says the findings should persuade every country that smoking in enclosed spaces is very dangerous to nonsmokers.

VOA: special.2009.01.07

For years,people have wondered whether they are safe from germs when they travel in small,enclosed areas.

VOA: special.2009.07.14

A stagecoach was a large, enclosed wagon pulled by teams of horses or mules.

VOA: special.2010.04.26

Stay in an enclosed area when mosquitoes are most active.

VOA: special.2009.05.26

But the Tularosa Basin is enclosed.

VOA: special.2010.01.04

They look like an extra-large version of the World War Two jeep, but enclosed, with small blast-proof windows, a protected machine gun position on top and a variety of high-tech gear inside and out.

VOA: standard.2009.11.02

The capture of the Maersk Alabama made news around the world after the pirates let the ship and its 20 crew members go, but took the ship's captain hostage in an enclosed lifeboat.

VOA: standard.2009.04.22