Because his company uses electricity during nonpeak hours, however, it pays less for the power.

To make matters worse, workers are prohibited from talking, listening to music, or using the bathroom during working hours.

The two center express tracks are used by the 2 and 3 trains during daytime hours.

Two express tracks, used by the A train during daytime hours, run below the station and are not visible from the platforms.

The two express tracks are used by the 2 train during daytime hours and the 3 at all times.

The northeast section is fenced in with a dirt road which can be used during open hours to drive in and park.

The engineer bought a home computer because the computers at work were often being used by other employees during normal working hours.

The 5 train uses these tracks during daytime hours.

Maybe she was only required to use it during working hours.

The two express tracks are used by the A train during daytime hours.