Given the two red flags that had been thrown up previously, one would have expected that as a precaution a cement plug would have been placed somewhere in the wellbore as a secondary pressure seal before this primary pressure control system (heavy mud) was evacuated from the wellbore.

WSJ: The Oil Disaster Is About Human, Not System, Failure

The pods are then packed under pressure using carbon dioxide to seal out damaging oxygen.

ECONOMIST: Espresso coffee

Many of the foreign fighters are believed to have entered Iraq from Syria, whose government has been under pressure from Iraq and America to seal its frontiers.

ECONOMIST: Winning in Fallujah, losing elsewhere? | The

As Harlequins began to close the game out, Jamie Thackray was held up over the try-line, before Matt Gafa collected Horne's kick in goal despite intense pressure from the onrushing Richard Whiting to seal the win.

BBC: Last Updated: Friday, 3 March 2006, 21:39 GMT

Most of the technical issues covered in the report, such as the failure of a crucial cement seal and the misinterpretation of a key pressure test, have been raised by other investigations.

WSJ: Gulf Disaster Tied to BP's Lack of 'Operating Discipline'