Also, the operating lifetime of fluorescent lights are about ten times longer than incandescent lights.

As a result, the Hound Dog's version of the J52 had a short operating lifetime of only six hours.

The payload of a starship was small and its operating lifetime was more than a man's lifetime.

These are then monitored over the operating lifetime of the facility.

Solar sail craft offer the possibility of low-cost operations combined with long operating lifetimes.

Early radios and televisions used vacuum tubes that had an operating lifetime of a year or so.

The press to extend the operating lifetime of commercial power plants is driven by fundamental investment economics, land use considerations, and social justice considerations.

Other considerations aside, the value of a specific site is directly related to the operating lifetime of the power plants on that site.

My implant, with an operating lifetime designed to allow authority to track me to and beyond my final release, surely depended on working microchips.

They needed a long operating lifetime.