The lowest-priced version does not include a radio or air conditioning.

VOA: special.2009.03.28

"Traditional environmental risks are those that face largely the poor in China, risks like drinking water contaminated with infectious organisms or highly polluted indoor air from people burning wood or other dirty fuels inside homes without chimneys."

VOA: standard.2010.04.07

"That will not have any appreciable or noticeable impact on the air traffic control infrastructure in the foreseeable future today.

VOA: special.2011.07.11

When melting snow crystals or raindrops fall through very cold air, they freeze to form small particles of ice,called sleet.

VOA: special.2010.01.05

When melting snow-crystals or raindrops fall through very cold air, they freeze to form small particles of ice, called sleet.

VOA: special.2011.01.11

HEPA filters capture almost all particles in the air that are zero point three microns in size or larger.

VOA: special.2009.07.14

For this reason,he says, air searches would need to be done in areas where the climate is dry or plants lacking altogether.

VOA: special.2009.11.17

The plastic can block air passages. The trash can also make the animal feel full, lessening its desire to eat or drink.

VOA: special.2009.09.22

This gives them their color. However,when light travels from air to snow, some light is sent back,or reflected.

VOA: special.2010.01.05

The heavy metal enters the body when children breathe the paint dust or fumes in the air.

VOA: special.2009.08.31

They spread through the air when the person coughs or sneezes or even sings and talks.

VOA: special.2009.03.25

Some Americans become doctors by joining the United States Army,Navy, Air Force or Public Health Service.

VOA: special.2009.06.02

Some Americans become doctors by joining the United States Army, Navy,Air Force or Public Health Service.

VOA: special.2010.07.13

Electromagnetic waves or energy passed through the air from one device to the other.

VOA: special.2010.12.08

Let sanitized cans air-dry for at least one hour before opening or storing them.

VOA: special.2010.07.19

Inside the car, they should open a window a little for fresh air and turn on the engine for ten or fifteen minutes every hour for heat.

VOA: special.2010.01.05

Believe it or not, air guitar has become a competitive sport.

VOA: special.2009.08.14

They soared or glided through the air.

VOA: special.2010.06.04

Historian and naval officer Samuel Eliot Morison described the fighting this way in his book "The Struggle for Guadalcanal": "For us who were there, or whose friends were there, Guadalcanal is not a name but an emotion, recalling desperate fights in the air, furious night naval battles, frantic work at supply or construction, savage fighting in the sodden jungle, nights broken by screaming bombs and deafening explosions of naval shells."

VOA: special.2011.06.23

Aviation analysts say the sharp volcanic particles can damage a jet engine or cause it to shut down in mid air.

VOA: standard.2010.04.15

It has also disrupted air travel with many flights in Europe either delayed or cancelled.

VOA: standard.2009.12.21