Beginning in the mid-1980s work began on extending the system northwards through the city centre.

This happened often with the lack of financing, but the need for continuing to extend the system.

One way to resolve the tension would be to extend the democratic system to investment, the organization of work, and so on.

A $4b project was proposed to restore the lines, and even to extend the system.

The results have been so successful that the government has agreed to extend the system to the entire country.

Extending the system to deal with multiple candidate words could be problematic.

Even while the line was being built, the directors were looking at ways to extend the system.

In September the House voted, 285 to 140, to extend the system.

Why not extend the disciplinary system he had set up for the training of Bands?

The scheme's success has encouraged Todd to extend the system to other forms of care.