Clay is important because it is used around the world to make containers of all kinds.

VOA: special.2009.09.14

The kinds of minerals in clay affect how soft or hard it is to work with.

VOA: special.2009.09.09

The artists chose bamboo because it is light,strong and can survive all kinds of weather.

VOA: special.2010.08.13

Is it going to be reinforced concrete? And then you get into all kinds of things in terms of the designs of the columns and the beams and the framing of the building and the connections.

VOA: special.2011.03.28

"So somehow it was a surprise that there is already in adolescents these kinds of changes."

VOA: standard.2010.03.04

"This is having an impact on their health. It is also reducing our ability to bring other kinds of assistance, such as vaccination campaigns against polio,"

VOA: standard.2009.08.07

"Since we know that these kinds of threats can emerge at any moment, even if it turns out that the H1N1 is relatively mild on the front end, it could come back in a more virulent form during the actual flu season,"

VOA: standard.2009.05.01