Living history can also be used to supplement and extend formal education.

Steam power was used to supplement water from about 1890.

Other methods can also be used to supplement an existing garden.

Income from product placement can be used to supplement the budget of a film.

As you note, the stadium could be used to supplement convention space.

What other information should be used to supplement such forecasts?

The men in the camps were used to supplement the local farm labor lost to the war.

Typically, a local income tax is used to supplement property taxes.

These periods could be used to supplement historical ones where history was not available.

Social networking is used by the students to supplement teaching.