But spot-checks showed no improvements and further problems were found with the reporting of accidents.

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He had been travelling between junctions 4A and 5 on the motorway at 1035 BST during random spot-checks.

BBC: James Gray

Then they submit the results to the EPA, which reviews the data and spot-checks about 15 percent of the ratings.

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In one operation, spot-checks by the FDA and the U.S. Customs Service found that 88 percent of drugs imported into the country by mail or courier violated federal safety standards in some way.

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Sealed envelopes and spot-checks are some precaution.

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And it is high maintenance, requiring frequent touch-ups and spot checks for smudging.

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Asking parents a few simple questions about their baby during routine one-year well-baby checks can help spot early autism, say US experts.

BBC: Screen may spot autism in one-year-olds

Together, Twitter and Topsy built a keyword engine, and via repetitive, ongoing spot checks by human observers, they found their algorithm would generate voter-accurate results 90 percent of the time.

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