More than three billion people are at risk from indoor air pollution because of the heating or cooking fuels they use.
VOA: special.2010.02.01
"First off,there is the infectious disease risk because if you use human blood there's a lot of transmissible diseases.
VOA: special.2009.08.03
Often the company would use mules instead of horses to pull its stagecoaches because the Indians had no interest in mules.
VOA: special.2010.04.26
American investors and bankers were afraid their money would drop in value because of the use of silver.
VOA: special.2010.06.24
India's camels have lost the use of some traditional grasslands and forests because of development and climate change.
VOA: special.2009.01.13
He says that skyscrapers are clearly popular around the world because they provide a huge amount of shelter and use less land space.
VOA: special.2010.03.31
The two wanted to use bicycles as transport because they believe strongly in human power.
VOA: special.2009.12.04
Some said it happened because American factories were producing more goods than people could use.
VOA: special.2010.06.17
Drivers must use special care because of ice and snow on the roads.
VOA: special.2009.01.07
"The thing about clay is every culture knows clay, because they use it.
VOA: special.2009.09.09
Governments,big corporations and individuals use BlackBerry devices because they are highly secure.
VOA: special.2010.08.06
Many climbers like bouldering because they can use less equipment.
VOA: special.2009.12.09
I don't want to use my family name because I shall probably have several scandals while I live and I don't want to cause them any trouble until I am famous, when nobody will mind.
VOA: special.2009.09.20
Because before,as you remember, the term "disproportionate use of force" was used,as if there is a proportionate use to occupy other countries' territory."
VOA: standard.2010.07.05
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