Their troubles began in the 1950s when they started flying higher and needed to pressurise the cabins of their passenger planes.

ECONOMIST: Aircraft fatigue

We'll make every effort to make it right and not pressurise him.

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The party will also be considering controversial NHS plans at the conference and members will be trying to pressurise the Conservatives to lock out private sector from health care proposals.

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We will not achieve meaningful progress towards sustainability, either by trusting that business will do the right thing, or by trusting that committed activists will be able to pressurise them into doing so.

ECONOMIST: The Opposition's closing statement

However, Watford ended Rangers' unbeaten start to the campaign with an emphatic 3-1 victory at Loftus Road in December and they wasted no opportunity to try to pressurise a defensive unit that had lost keeper Paddy Kenny to injury during the warm-up.

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He responded to Mr Swinney's question by stating that he believes that the Scottish Parliament should support the UK Government's efforts to pressurise those who are responsible for the production of oil and the international price of oil, in order to secure lower prices.

BBC: Photo of Scottish flag