The process is repeated to build up alternating layers of positive and negative ions on top of each other.

ECONOMIST: MONITOR

He said it was similar to the human navigational process, where we build up a "mental map" of our surroundings by recognising familiar sights.

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What we have established is a transition process that allows Afghans to build up their capacity and take on a greater security role over the next two years.

WHITEHOUSE: President Obama��s News Conference with Prime Minister Gillard of Australia | The White House

Instead, he had to build it up step-by-step through a process of experimenting and failing, and then doing it all over again.

FORBES: Connect

The Muslim nations should join together to build up factories for ammunition and other weapons, and a continued process of research and inventions must be carried out.

CENTERFORSECURITYPOLICY: Shariah��s Black Box

Newfoundland, Canada's poorest province, would not let Inco dig up the site unless the company promised to build a smelter and process the nickel in the province.

FORBES: Magazine Article

And that's one of the reasons why I think it's extremely important that we do pay attention to Iran's involvement with Chavez, because Chavez now has a history of trying to build up a real military capability, and he's in the process of doing it right now.

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In the service of that overarching goal, we have helped build up Afghan security forces, helped stabilize portions of the country, and we are in the process of drawing down our forces as we turn over more and more responsibility to Afghan security forces.

WHITEHOUSE: Press Briefing

Better to use the newly roadworthy process to achieve worthwhile goals to pay for adaptation, save forests, build up renewable-energy capacity than to crash it again into a wall.

ECONOMIST: The Canc��n climate-change conference