91.   But DeFrancesco said the problems were not concentrated in any one area.

92.   But in coach, the plugs will be concentrated in the front rows, where the airline gives priority to premium customers.

93.   But investment in machinery has been concentrated in recent years in computers.

94.   But the company is now concentrated in military and aerospace activities, having sold off its heavy construction unit.

95.   But political power long has been concentrated in a national government that too often was repressive or unresponsive to the needs of its citizens.

96.   But the fire appeared to have been concentrated in a second-floor apartment occupied by several young men, neighbors said.

97.   But they are unusually concentrated in industrial swing states, such as New Jersey, Pennsylvania, Ohio and Illinois as well as Michigan.

98.   But the slippage has not been concentrated only in technology stocks, which have gained much of the attention.

99.   But the surge in orders was concentrated in commercial aircraft and military hardware and was not seen as evidence of a pickup in economic growth.

100.   But their visits are concentrated in fewer places.