11.   At peak hours, the store restocks from garment racks on the sidewalks and trucks waiting in the street.

12.   A few thousand patronize the cafe each week, with the peak hours during the evenings and on weekends.

13.   But experts say it places tremendous stress on airport operations, security and the air traffic control system by crowding planes into the sky at peak hours.

14.   But it would make more sense, he said, to give the locals some incentive to stay off the road during peak hours.

15.   But many users are still subject to surfing sluggishness or outright disconnection if they happen to be logged on during peak traffic hours.

16.   But there was still great uncertainty, about both the evening peak demand hours and the coming days.

17.   By midafternoon, the peak hours in summer, the screen is ablaze.

18.   Cars were restricted in peak hours, to cut down on pollution and traffic.

19.   Clinton also gingerly raised the issue of exploring the imposition of air-system user fees, including pricing some fees higher for using airports during peak demand hours.

20.   Conservation during peak hours has remained high, however, which, state officials say, shows that Californians are still conscientiously trying to cut back on power consumption.