Over the past five years the average growth in new installations has been 27.6 percent each year.

It is being used in both research and commercial installations.

In a full installation, the problems may even turn out to be less serious than I now suspect.

Between 2005 and 2010 the average annual growth in new installations was 27.6 percent.

Perhaps, he thought, since they had found two children in the ruined installation.

"Even in an installation like this, the old ones tried to create some beauty."

In the new installation, not only the importance, but the very existence of national schools, has been played down.

"In our current installation, we have managed to do that."

At this stage, everything in the installation is still tentative.

"But we found it also worked well in residential installations."