Mr.Montanarelli knew about DuPont's recently developed fiber, and the two men decided to test it.

VOA: special.2011.03.01

It took a number of years before Congress was able to pass a law demanding a literacy test for immigrants.

VOA: special.2010.05.20

The researchers say the test will make it easier to identify and contain the disease, especially in children.

VOA: special.2010.04.20

If a test finds that soil has too much lead, you might be advised to remove the soil or cover it with sod grass.

VOA: special.2009.06.09

Project director David Conner says it was a "test drive" for the research on private farms.

VOA: special.2009.12.22

It says the test measures the language skills of people working in an international environment.

VOA: special.2009.01.15

It says more than nine thousand organizations use the test in more than ninety countries.

VOA: special.2010.02.18

It was used to test rockets that were captured from the German armed forces.

VOA: special.2010.01.04

You can also perform a test. Take some of the material and add enough water to it to make it seem like you are making bread.

VOA: special.2009.09.14

It was designed to test equipment and conditions for future space flights.

VOA: special.2010.07.07

But it could launch Apollo spacecraft on test flights around the Earth.

VOA: special.2009.07.08

"You can have that test, but it can't be an exclusive test because of the nature of the patent laws which are to protect new and unknown inventions."

VOA: special.2010.07.16

It is a test of the mostly deadly weapon ever known.

VOA: special.2009.06.14

It would test flight conditions at the edge of Earth's atmosphere.

VOA: special.2010.07.07