Villa's success this season has been built mainly on two key factors - their consistency of selection and their pace and power going forward.

BBC: Lee Dixon's tactical view

The steady rise of the Dow since early 2009 has been driven mainly by two factors: the slow improvement in economic conditions and optimism since the recession ended, and the Federal Reserve's attempt to stimulate the economy using quantitative easing policies.

CNN: What does the rising Dow mean?

Set between two lakes, the town was chosen mainly because it has a reasonable mix of Protestants and Catholics, as well as two thriving integrated schools.

ECONOMIST: A small step towards reconciliation

Mr. Jonsson says Hrefnuveidimenn still isn't profitable, mainly due to scale: It has only two ships and government permission to kill around 40 minke whales each year.

WSJ: Supersize Me: Whale Meat Resurfaces on Iceland Menus

The Caribbean Mercy is smaller and has two operating theatres which deal mainly with eye surgery (mostly cataracts).

BBC: NEWS | Health | ''Floating hospitals' mercy missions'

If Mr Campbell is not the obvious Republican front-runner, this is mainly because he has much less money than his two billionaire challengers from Silicon Valley, Meg Whitman and Stephen Poizner.

ECONOMIST: The California governor's race

West Midlands Ambulance Service NHS Trust has re-organised its services for Shropshire so ambulances and paramedics in the county are mainly based at two hubs in Telford and Shrewsbury.

BBC: Bridgnorth grandfather in ambulance petition

The two unions linked up earlier this year to form Amicus, which has a million members, mainly in manufacturing.

BBC: Tony Blair, left, Derek Simpson, and Ken Jackson, right