Mr Jones added that a more robust system needed to be put in place and a more rigorous standard for the benefit of tenants.

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Meeting that rigorous standard has been made more all-the-more challenging by the concomitant exodus of the skilled workforce and the increasing obsolescence and unsustainability of the industrial complex it mans.

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"We hold ourselves to a very rigorous standard of punctuality, " says Mark Dunkerley, Hawaiian Airlines' president and chief executive, adding that the airline considers a flight "late" if it arrives even one minute behind schedule.

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So rigorous is the standard of quality here that, as garden programs director Laura Viancour explains, the fruit you see on so many wreaths around the city is checked for freshness and replaced weekly.

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The agency's complaint says that some of POM's studies did not show heart disease benefits and that the prostate cancer study wasn't conducted in a standard, scientifically rigorous manner.

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The row centres on Deutsche Boerse's most rigorous market segment, the Prime Standard, which groups companies - 379 of them so far - that meet global standards of corporate governance.

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Now, the process of reviewing and selecting a successor to Justice Souter has been rigorous and comprehensive, not least because of the standard that Justice Souter himself has set with his formidable intellect and fairmindedness and decency.

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It had passed industry standard tests but the company found it had needed its own more rigorous testing as it explored the unknown territory of wearables.

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Heart patients who get standard treatment get better quickly, so it is hard to tell without doing a rigorous trial whether it was due to the new treatment or now.

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