Sentence examples for been done to replace from inspiring English sources

In the field of civil structures, a few attempts have been done to replace the most common composites (e.g. carbon and glass fibers) by materials less harmful to the environment, as natural fibers.

Therefore, during the 1950 1980s, extensive research had been done to replace the axiom, independence of irrelevant alternatives [24].

So far in addition to restoration that has been done to replace damaged parts, the studies were conducted to evaluate the seismic behavior of the tower.

In 2008, the first transplantation of a tissue-engineered trachea in a human being was done to replace an end-staged left main bronchus with malacia in a 30-year-old woman.

And about 175,000 surgeries are done to replace the anterior cruciate ligament, a painful and invasive procedure.

When asked this week about what was being done to replace Morales, longtime rail project chairman Dan Richard said the authority was in the process of hiring an executive recruitment firm — but that has taken time because of state procurement regulations.

"Since 2003 nothing has been done to repair or replace compressor stations that were damaged.

During the Recovery Phase work is done to rebuild and replace what has been destroyed.

That, they said, was done to allow the Socialist Party to replace them before it loses control of Congress in January.

We're all suffering from the same problems of orchestras with budgets under $3 million: We have an aging constituency, and what are we doing to replace it?

What are Americans doing to replace the image of Russians as enemies?