However, it was found that the fleet had never been maintained properly, and in 2008, a cost-benefit analysis found that, based on the current fleet's condition, a refurbishment would cost just as much as it would to buy new cars, if not more so.
In many cases, students have been given annual standardized tests, but the scores have never been organized and maintained to allow any analysis or planning, the study said.
While operators have never been required to maintain neutrality, the industry has created that expectation largely by charging users a flat rate for unlimited Internet access.
Energy sources that have never been adequate to maintain autopoiesis on Earth include heat, sound waves, and electromagnetic radiation outside the visible or near-visible spectrum.
If that were true, I would have never been able to maintain full-time employment and an income level and pace far greater than the national average.
These primary tumours were maintained in mice and have never been passaged through cell lines.
However, the two models have never been compared in studies using animals maintained under similar conditions.
Mr. Jackson himself offered high praise for Mr. Bradley, adding, "He got people involved who have never been involved before, and we must maintain his involvement".
The South, one editorial maintained, fought for rights "which have never been disputed to any people in modern times".
Truffles have maintained their mystique and their prices in part because they have never been domesticated.
