Farmers rarely planted trees or tall crops around the buildings, so there would be no barrier to the airflow.

VOA: special.2009.09.08

"We are always trying to lower the barrier to entry for nonprofits.

VOA: special.2010.09.22

However,rights groups and exiled politicians say the detention of Aung San Suu Kyi, along with more than 2,000 other political prisoners, is the real barrier to peace.

VOA: standard.2009.06.19

"Our aspect of the project is to harvest the Asian Carp before they get to the fish barrier to reduce the numbers so there is less chance of any Asian Carp getting past the barrier."

VOA: standard.2010.07.19

But with threats, a language barrier and fear of the legal system, victims are often unwilling or unable to seek help.

VOA: special.2010.06.14

And,he was proud of being the first African-American to break the color barrier in a major opera house.

VOA: special.2010.03.07

The aim should be to aggressively create what he calls a "protective barrier" against loneliness.

VOA: special.2010.01.06

The underwater barrier is meant to shock the carp into turning back.

VOA: special.2009.12.15

The barrier,however, may not be enough to protect the Great Lakes.

VOA: special.2009.12.15

But in the absence of any service, we have found that it is able to remove that barrier in some cases."

VOA: standard.2010.06.14

"Every fish we take out there is one less fish to challenge the electric barrier further upstream yet."

VOA: standard.2010.07.19

But with threats, a language barrier and fear of the legal system, victims often do not or are unable to seek help.

VOA: standard.2010.05.24

Federal health minister,Nicola Roxon, says forcing the vessel to cancel a planned 10-day trip around the Great Barrier Reef is a necessary precaution.

VOA: standard.2009.05.30

In the early 1980s Ronald McNair helped to lift the racial barrier at NASA's astronaut program.

VOA: standard.2010.02.02

U.S.Army officers say a language barrier impedes American efforts to impart this vital lesson.

VOA: standard.2009.12.13

But the Illinois Department of Natural Resources is confident their containment measures are working, as they have yet to find more Asian carp above the electric barrier.

VOA: standard.2010.07.20

The minimum wage is relatively high compared to the wage in France so it's a barrier when you don't have any qualifications and when you start your career."

VOA: standard.2009.11.12

The fish that,for one reason or another, that found their way past the barrier, we suppressed them and try to take them out of the system to keep them from establishing in Lake Michigan."

VOA: standard.2010.07.20

Making this life change is hard on all fishermen, but for the Vietnamese and Cambodians here, the language barrier is an added obstacle in trying to reach out to BP for work and compensation.

VOA: standard.2010.05.15

This part of the Illinois River near Morris is several miles southwest of the electronic fish barrier, a critical point along the Illinois waterway system meant to stop the Asian Carp from reaching Lake Michigan.

VOA: standard.2010.07.19

"And their struggle and barrier is having an adequate health workforce and facilities for the kind of high-tech things that happen to mothers that are at risk " In contrast,Boufford says developed nations have excellent medical technology.

VOA: standard.2010.06.23