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it is extremely dangerous to fly in the dark noise regulations restrict the hours of airport operation some of its runways are not in good condition cargo planes produce disturbing noise
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twice engines than twice as engines as as twice many engines as twice as many engines as
Diesel engines have more advantages in comparison with gasoline engines Diesel engines have more advantages in comparison to gasoline engines Gasoline engines have more advantages in comparison with diesel engines Gasoline engines have more advantages in comparison to diesel engines
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help you sleep better. increase the degree of jet lag. shrink your day. make you overeat.
increased airport capacity lower property values effective modification of existing jet engines more transportation costs to and from airports
you can control your own body clock. it is not difficult to adjust to a new time zone. adjusting your watch can help you avoid jet lag. there isn't much you can do to avoid jet lag.
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the effects of noise on the quality of life the role of air traffic restrictions the production of quieter engines the economic aspects of noise reduction
twice engines twice as engines as as twice many engines as twice as many engines as
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