They actually make sure that certain streets get ploughed and other streets do not get ploughed when there is a snowstorm.

VOA: special.2011.04.25

"Well, we know that it could be genetic. And we know that there are certain families where there is a high incidence of fibromyalgia in three generations.

VOA: special.2011.07.26

"Whereas the oil industry may find it business as usual to have a certain number of spills, it is really not acceptable, especially in this day and age.

VOA: special.2011.07.08

"And what happens is we have mazes and the children are able to organize the robots and see if they can get them through the maze within a certain time period."

VOA: special.2010.07.28

"Our health and wellness committee provided us with pedometers and there was a contest to see how many people could log ten thousand or more steps each day over a certain period.

VOA: special.2011.02.28

"When I was reared in the British West Indies my grandmother used to always tell me, you may not be loved by certain forces in a society and you have to understand why.

VOA: special.2011.03.20

"One of the programming problems was try to figure out how to break an arbitrary chocolate bar into a certain number of pieces of a certain number of sizes and to do it as quickly as possible.

VOA: special.2010.03.11

"There is a certain amount of that islander style there," Ken Walsh of the magazine USNews and World Report.

VOA: standard.2010.01.16

There are two major traits among these GE crops: resistance to certain insect pests, and resistance to a weed-killer called glyphosate.

VOA: standard.2010.04.15

"And it was quite an issue,quite honestly, because housekeeping has been doing business a certain way for many,many years,"

VOA: standard.2009.03.30

Among the new measures are an expanded arms embargo and a ban on certain ballistic missile activities.

VOA: standard.2010.06.09

Researchers at Wake Forest University looked at a certain protein that regulates iron and studied the amount of it in breast cancer cells.

VOA: standard.2010.08.05

But,they say they will not let the president off the hook until a number of important questions are answered and certain reprehensible acts are ended.

VOA: standard.2009.03.21

He said it was a historic event and that he is certain it will inaugurate a new era and a new relationship between the two countries.

VOA: standard.2009.04.17