Twenty feet -- that's six meters. Other suggestions include putting more distance between you and the device and using good lighting.

VOA: special.2011.08.01

They also include workers in health care and emergency services, and people between six months and twenty-four years of age.

VOA: special.2009.08.18

But the Lakers' Kobe Bryant scored twenty-six points in game six to force a game seven in Los Angeles last Thursday.

VOA: special.2010.06.25

In the Nivkh language of Siberia, each number can be said twenty-six different ways based on the object being counted.

VOA: special.2009.12.02

The site was launched to the public last September by a start-up company led by its twenty-six year old founder.

VOA: special.2009.02.26

In the next seven years, between nineteen-twenty-nine and nineteen-thirty-six, he seemed to re-invent the novel with every book he wrote.

VOA: special.2010.01.03

In two thousand six, the United States had lower scores in mathematics than twenty-three of the other twenty-nine OECD countries.

VOA: special.2009.07.30

During one week in nineteen forty-eight, poisonous air in a nearby town killed twenty people and sickened six thousand others.

VOA: special.2009.07.13

On December twenty-fourth,nineteen-oh-six, radio operators on ships in the Atlantic Ocean near the American coast began hearing strange things.

VOA: special.2010.12.08

At U.C.L.A. the man known simply as "Coach" had a record of six hundred twenty wins and one hundred forty-seven losses.

VOA: special.2010.06.10

As of Tuesday, seventy-three countries had reported more than twenty-six thousand cases of the new H1N1 flu virus.

VOA: special.2009.06.10

And millions of Americans listened to the boxing match in nineteen twenty-six between Jack Dempsey and Gene Tunney.

VOA: special.2010.12.30

Reporter Pete Demetriou from KNX Newsradio in Los Angeles also spoke to another man who has lived in the area for twenty-six years.

VOA: special.2011.03.15

This park was established in nineteen twenty-six in an effort to protect the wildlife of South Africa.

VOA: special.2009.08.19

Babe Ruth loved children. In nineteen twenty-six, a child named Johnny Sylvester lay in a hospital bed.

VOA: special.2011.03.27

President Obama signed legislation Tuesday to provide twenty-six billion dollars to the states for education and healthcare.

VOA: special.2010.08.12

In nineteen twenty-nine, six hundred fifty-nine banks with total holdings of two-hundred-million dollars went out of business.

VOA: special.2011.02.24

As early as nineteen thirty-six, he had a weekly radio audience of about twenty million people.

VOA: special.2009.03.09

The College Board says the average tuition at a private college was about twenty-six thousand dollars.

VOA: special.2010.04.08

This year about four hundred Boy Scouts from twenty-six other countries also attended the National Jamboree.

VOA: special.2010.08.06

A government-owned group of companies,Dubai World, has been seeking to restructure twenty-six billion dollars of debt.

VOA: special.2009.12.11

Preterm birth rates in the United States have increased thirty-six percent in the last twenty-five years.

VOA: special.2009.10.19

Mules were faster. For example, in eighteen fifty-seven a stagecoach pulled by six mules took twenty to twenty-five days to travel from Independence,Missouri,to Santa Fe.

VOA: special.2009.03.30

On July thirty-first, the ship traveled six hundred and one kilometers in only twenty-four hours.

VOA: special.2009.12.23

Since nineteen ninety-eight, fifty-two women scientists from twenty-six countries have been recognized for their work.

VOA: special.2009.05.13

Human genes are normally organized along forty-six chromosomes in our cells, twenty-three from each parent.

VOA: special.2009.09.09