One type of service, a digital subscriber line, is often not available to homes more than three miles from a phone company switching station.
One option for some children with complex needs is out-of-borough residential placements for specialist therapeutic provision that is often not available in their home town.
For instance, clean water is often not available in slums, yet it is essential to reduce child and maternal mortality, and reduce disease.
Delays of months or years mean that information is often not available when it is needed to shed light on a current problem or controversy.
In children, sufficient bone for autotransplantation (transplant of bone from the individual himself) is often not available; bone from another individual is then used (allograft).
In France, where it is most popular, with about 9 million viewers, it is identified with Parisian elites and, as a satellite station, is often not available in rural areas that lack cable to distribute the satellite feed.
Furthermore, an analytic solution is often not available.
The great saphenous vein is often not available and synthetic grafts have their limitations.
However, this information is often not available or sometimes simply wrong [32].
Unfortunately, detailed information about interdependencies between the product and its production is often not available within the product development phase.
These methods require experimental data in order to obtain accurate results, but this data is often not available.
