As part of the study, the young men and women were asked how many hours of television or videos they watched daily.

VOA: special.2009.03.10

How many hours a day the pump needs to be operated depends on the season and how much water is needed for crops.

VOA: special.2009.08.17

Sequencing the genes, organizing all of them in order, will save many hours of searching.

VOA: special.2010.02.02

I fainted and woke many hours later on pieces of my microscope.

VOA: special.2009.07.25

He says a reattachment operation can take many hours.

VOA: special.2011.02.02

It was a different era. But General Myers spent many hours in the White House Situation Room, working with Bush administration officials on strategy for the two conflicts, just as current top officers are working with President Barack Obama and his team now on how to move forward in Afghanistan.

VOA: standard.2009.10.16

Many business owners agreed to follow codes or rules such as limiting the number of hours people could work.

VOA: special.2011.03.24

But the crew avoided capture by hiding in places like the engine room for many tense hours.

VOA: special.2009.05.27

Within hours, many of these other banks had to close.

VOA: special.2010.02.25

(SAYING) Yulmi says many work 15-16 hours a day, holding two jobs and are underpaid because they are undocumented.

VOA: standard.2010.03.21

Voter turnout was 77 percent with many voters standing in line for hours in cool weather to cast their ballots.

VOA: standard.2009.04.25

But for many women, most hours are already filled with a full-time job and raising a family.

VOA: standard.2010.03.30

Since late last year, many factory owners have cut working hours and pay by 25 percent.

VOA: standard.2009.03.09

Local journalist John Grobler said many waited for hours to vote because of logistical problems.

VOA: standard.2009.11.27

The teams have run into various problems. Many of the training fields were never completed, forcing teams to share facilities and practice at uncomfortable hours.

VOA: standard.2009.11.05

His behavior during the so-called Chappaquiddick incident he waited hours before reporting his accident to police provided the first of many cracks in the Kennedys' public image.

VOA: standard.2009.08.26