This design never progressed beyond the model stage.

As the overall design progresses the information storage system becomes increasingly important.

By 1910, the design of 10- to 15-story apartment houses had not progressed.

This design never progressed past the prototype stage either.

Starting from the system as a whole, its description becomes more detailed as the design progresses.

The design did not progress beyond the prototype stage.

This report provides a sound evidence base and scientific design to progress with a trial at multiple sites.

The design never progressed past a single prototype.

As his designs progressed, he decided to form a partnership for the manufacture of his vehicles.

The station's design progressed rapidly and by early December the same year, the whole design proposal was completed.