The specialized tools built for the job allowed Dextre to seal the connections between the tool and the fuel valve to eliminate the possibility of leaks.

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The writ also alleges the problem with the fuel selector valve was the cause of the crash and states that Ravenair were responsible for its maintenance.

BBC: Joel McNicholls

Many cars, including the Mazda CX-5 and Volkswagen Golf, use variable valve timing to maximize fuel efficiency and performance.

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