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That there would have been an investigation into that. >>heather: the fire happened at refinery in february, is it conceivable that others took a look what happened there and thought, well, maybe we do need to do a few maintenance procedures? >>guest: it is very, very hard to prove price collusion and it is also interesting that these kind of accusations there have been so many accusations why the price of gas is higher in this area of the country. >>heather: it is significantly not just at this time, but, normally. >>guest: again, like i said, it comes down to refineries. and, the cost of tra...

Or does the average plane fly more flight cycles than 10 or 20 years ago? >> our maintenance procedures are so good, that planes are flying longer. but in this case, boeing yesterday really stepped to the plate and said they had expected the -- these lap joints, the overlapping areas where the skin is riveted, that they expected it to last for 60,000 cycles. they did not. and that's caused the emergency directive. >> what do you make of that, though? this is an engineering sophisticated as it gets. going from 60,000 cycles as the point at which you think there is stress on these joints, to 30,...

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