When the water heater is working correctly, water will flow from the storage tank to the collector and back again.

VOA: special.2009.04.20

The American Academy of Pediatrics says some poisons can cause additional damage when they come back up the throat.

VOA: special.2009.08.11

And when he traveled to his grandmother's house, he sat in the back of the bus behind a white line.

VOA: special.2010.02.07

Missus Sommers bought two costly magazines that she used to read back when she had been able to enjoy other pleasant things.

VOA: special.2009.09.05

"Back in the nineteen eighties when I was dating without computers, cell phones,text messaging, instant messaging, people had to be more organized.

VOA: special.2009.09.14

"So when they return back home, they've got an occupational health issue that wasn't addressed in the country where they were working.

VOA: special.2011.07.06

This gives them their color. However,when light travels from air to snow, some light is sent back,or reflected.

VOA: special.2010.01.05

Sometimes, when I am very productive in my job, my employer gives me a pat on the back.

VOA: special.2010.01.24

He was on his way back to the United States when he stopped to visit friends in London.

VOA: special.2009.01.14

The heavy pack on his back let him think of what he would do when he got home.

VOA: special.2010.06.26

When I am facing a lot of pressure at work, my back and neck will start to hurt.

VOA: special.2010.01.24

That is when a government takes ownership of a private business, often with the idea of selling it back to investors later.

VOA: special.2009.01.30

When you press the toy guns trigger, the western man kicks the Chinese man in the back.

VOA: special.2010.03.03

To get more blooms, gardeners pinch back the branches when new growth has extended to fifteen centimeters.

VOA: special.2010.06.29