It is also useful because the mold can be used over and over again to make exact copies of the ceramic form.

VOA: special.2009.09.09

It is said to be most-useful to athletes in endurance sports such as cycling and distance-running.

VOA: special.2011.04.12

It never comes back to the United States. Robyn Nietert says the income created by these loans is not only useful for the individual women and their families.

VOA: special.2010.06.16

She says health facilities are a fundamental part of community life and it is important they are designed to be useful in case of emergency.

VOA: standard.2009.10.14

One of the first advancements researchers are working on is scanning tens of thousands of different soybean varieties, including wild relatives, to look for useful traits.

VOA: standard.2010.02.01

I think it's very useful. It may not be immediately apparent to people in Darfur, but in the end it is a contribution towards a solution to their problem."

VOA: standard.2009.10.23

"I think adding rewards to that mix is useful.

VOA: standard.2010.07.16

"What we've proven to be useful and what does work is having a person in a stressed state, and then reducing that stress because it's that contrast is what motivates a person to cooperate, what motivates a person to start talking.

VOA: standard.2009.04.17