Geological faults do not necessarily produce earthquakes in a nice, linear fashion over time.

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Countries whose economies are growing quickly don't necessarily produce handsome stock returns.

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So now, the expectation is not necessarily to sell music but to produce quality content and to be a part of ancillary aspects, whether it's with a book or placing music into films and television, or just going to the people, like old school.

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It has enlisted the help of US market research firm Datalogix to try to produce evidence that seeing an advert on Facebook - without necessarily clicking on it - is enough of an engagement to get people buying products in shops.

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It is these discoveries, not necessarily the carbon tubes themselves, that Dr Tenne reckons will produce the applications.

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In other words, cloud seeding is designed to produce and store water from moisture-dense clouds in preparation for a drought but not necessarily to end one.

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But none of this necessarily means that thinking has changed enough to keep talks going once started, let alone to produce a settlement to a dispute that has brought about two wars and a 12-year insurgency involving some 35, 000 deaths.

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