Between thirty and thirty-five women used each system to pump water from the ground or a stream.

VOA: special.2010.01.11

Google agreed to create a system to pay copyright holders when their works are used online.

VOA: special.2011.04.01

The A.F.L.also opposed extremists who used labor protests to change the social system.

VOA: special.2010.05.06

The current system has been used since two thousand five.

VOA: special.2009.05.06

His system still is used today.

VOA: special.2009.04.29