The principle of the machine working, and working reliably is very important.

BBC: Sea bed wave energy hub not yet used

IPOs are not in principle severable from the working or failings of the secondary market.

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In principle, the tri-partite structure of three working groups encompassing basic science, adaptation and economics should produce a relatively coherent whole - more so, and with a more impressive imprimatur, than if each were assessed on its own, perhaps against the backdrop of turf wars.

BBC: Climate panel signs off reforms - but how ambitious?

All secondary headteachers agreed in principle to develop a working group to explore the benefits and efficiencies of implementing the 33-period week.

BBC: Scottish Borders Council school timetable moves on hold

While markets may be having adverse short term reactions to Dijsselbloem statements in light of how badly the Cypriot deals were managed, the principle of a European Wide resolution regime have been in situ since a European Commission working paper was published in January 2011.

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Working on the assumption that Arab objections to Zionism are not a matter of principle, Western statesmen have, over many years, tried to buy off these objections through territorial concessions.

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In principle, the method can be applied to any archaeological site, and several groups of researchers around the world are working on similar projects.

ECONOMIST: The Neolithic

Mr. Lonegan counters that every working New Jersey resident should pay something -- on the principle that everyone should bear at least some of the cost of government.

WSJ: New Jersey's Flat Tax Debate