The simple design has changed little in hundreds of years.

An important way to decrease cost is the use of a simple design.

The simple design also meant it was easy to maintain in the field.

Until 1978, a simple design and size introduced by the British in the 1890s, was used.

Being of the simplest design, it is made even by children.

A hallmark of the site was its very simple design.

Any theory of language, therefore, should reflect this simple design.

The first floor served as a residence and is built to a more simple design.

This simple design gave very nice control and was highly reliable.

It was a simple design with a platform on each side of the track.