21.   But it is those dismissals, along with employees who work long hours without benefits or staff status, that has triggered the union drive.

22.   Certainly I can survive a few hours without e-mail.

23.   Drowning victims have gone as long as half an hour without a heartbeat and then been revived.

24.   Even a few hours without food could leave these hummingbirds, which are constantly seeking to eat, frozen as well.

25.   Employers, in turn, could use the flexibility to allow salaried workers to alter their work hours without having to pay large amounts of overtime.

26.   Enter the stunt doubles, look-alikes that can cool their pointy heels on the set for hours without so much as a drip.

27.   He asserted that census takers had to complete their jobs in unrealistically short time spans and typically worked countless overtime hours without pay to avoid being fired.

28.   He spoke at the annual meeting today for more than an hour without notes, and was greeted with applause.

29.   I was able to work at it for hours without any noticeable eyestrain.

30.   I drove hours without a car or truck passing me.