The treadle pump is based on a design developed in the nineteen seventies by Norwegian engineer Gunnar Barnes.

VOA: special.2009.08.17

Treasury Secretary Tim Geithner says the financial crisis developed in part because the existing system let some companies "shop for the weakest regulator."

VOA: special.2009.06.19

This kind of art has developed in many kinds of ways in places all over the world.

VOA: special.2009.04.08

By the twelfth century, soap- making centers had developed in cities such as Marseilles,France and Savona,Italy.

VOA: special.2011.03.09

One kind of music for the guitar developed in the southern area of Spain called Adalusia.

VOA: special.2010.05.12

These were developed in a year-long process led by state governors and chief state school officers.

VOA: special.2010.07.22

Eric Partridge wrote that the saying probably developed in Britain in the eighteen hundreds.

VOA: special.2010.10.31

It was first developed in the Roman Empire about two thousand years ago.

VOA: special.2009.09.16

He quickly developed into one of the best players in the NBA.

VOA: special.2010.08.06

The modern circus developed in the 19th century.

VOA: special.2009.01.11

An infection developed in his wound.

VOA: special.2010.07.29

Mr.Medvedev said new missile technology will be developed in full accordance with any new arms agreements reached with Washington, but that other weapons are necessary.

VOA: standard.2009.12.25

The drought, and nearly two decades of political unrest and economic neglect have left the Mudug region one of the poorest and least developed in Somalia.

VOA: standard.2009.10.06

He and other researchers found that more than half of some 14,000 patients in the study on that one day, developed infections in intensive care units.

VOA: standard.2009.12.08