It was impractical to work together with an orchestra on a regular basis, so The Moody Blues turned to the Mellotron as a substitute.
Creating the device was problematic as the materials needed were impractical and difficult to work with, but they did already exist, which made it easier to come by.
Thus, it was impractical to enhance software to work with Quake III.
As a standalone service, Family Cover, as with the original version, still requires each user to have a smartphone — which may make it impractical for tracking younger children — although there is (still) a plan to work with a hardware maker to devise a product that is not necessarily an iPhone or Android device that would be picked up by the tracking tool.
Therefore, even though the algorithm is polynomial, it can be very impractical when working with large simplices.
Fiona Weir, chief executive of Gingerbread, said: "Forcing single parents with very young children to work is both impractical and, in many situations, not in the best interests of their children".
Bradshaw said: "This measure is impractical and unsuitable, and is unlikely to work effectively within the current system given the communication lag between the Charity Commission and HMRC.
For much of the 20th century, the generational divide made it easy to work out what counted as youth culture, with older people looking on dumbfounded at guitar solos and impractical clothing.
I find the cold versions difficult to work, and, in Oliver's case, impractical, as it's quite hard to mix butter into cool mash.
Similarly, it has been thought that impractical fashions demonstrate that the wearer does not need to work, and indeed would find it difficult to do so.
