Engineers had to boil off the remaining oxygen by turning on a heater in the tank.

VOA: special.2009.07.22

Everything is placed in a container, covered with water and brought to a boil.

VOA: special.2009.07.06

Everything is placed in a container, covered with water, and brought to a boil.

VOA: special.2009.01.26

Bring it to a boil, then immediately reduce the heat to eighty-two degrees.

VOA: special.2010.08.02

Boil the liquid until the onionskins lose their color, about forty-five minutes.

VOA: special.2010.08.02

Then I began investigating. I worked my way through the rocks and brush until I found myself gazing into the biggest and blackest hole I had ever seen, out of which the bats seemed literally to boil .

VOA: special.2009.12.07

The U.S.Army Corps of Engineers has helped restore the water supply, although residents are being urged to boil their water.

VOA: standard.2009.10.06

Mangroves are the most readily available source of firewood for fires to boil seawater and what is called "salt dust" scraped from the soil.

VOA: standard.2010.03.29

You are going to take this entire issue and boil it down to 30 second ads."

VOA: standard.2009.07.31

You can barbecue it,boil it, broil it, bake it, saute it.

VOA: standard.other