11.   Besides discomfort, the added heat also increases the need for air-conditioning, which in turn contributes to other air quality problems.

12.   A series of US studies is trying to weed out those quality problems and come up with definitive answers.

13.   But he said the quality problems had been solved.

14.   But it breaks down far less frequently, so it needs half the inventory, slashing costs and making quality problems easier to spot.

15.   But production changes and related labor talks led to quality problems and delays, several retailers said.

16.   But the Excel was undone by serious quality problems, and Hyundai sales plunged as fast as they had risen.

17.   But they are stocks that have had substantial asset quality problems at the end of the economic cycle.

18.   Chrysler also has quality problems, according to independent ratings.

19.   Customers needing to start service get priority, followed by those with line static or other quality problems.

20.   Damage also stemmed from quality problems as Clare moved workers from Wakefield into the Beverly facility.