"Bumping" or "bump-starting" are phrases used a noticeable number of times by Dr Cridge, who first got interested in the field after time with a diving club at university.

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The ascendancy of state Republicans is most noticeable in the number of congressmen who have put their faith in Mr Bush as the party's presidential candidate.

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Over the last few years, Costco has witnessed a noticeable increase in the number of new members.

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In recent months there has been a noticeable jump in the number of big employers taking similar steps to improve the finances of their pension schemes.

BBC: NEWS | Business | Employers reduce pension deficits

In the U.S. however there has been a noticeable increase in the number of top executives giving up their bonus since the start of the year, according to Alexander Cwirko-Godycki, research manager at California-based Equilar, which conducts research on executive compensation.

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Contrary to popular belief, a growing number of Chinese luxury consumers are exhibiting a noticeable trend away from overt displays of wealth, and towards more understated forms of luxury consumption.

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"The credit crunch has had a noticeable impact not only in terms of CD sales but also in the number of concerts our artists our playing, " he says.

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"The timing of this incident will have contributed to the large number of casualties...but where this impact will be most noticeable isn't yet known, " BTO spokesman Mark Grantham said.

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