The river has provided an important source of power in the past.

This provided a source of good jobs in the area.

Either way, it is important to provide a safe source of power.

The mass media provide a further source of material for research.

This has provided a major source of income for the community.

The stream was still near enough to provide a source of water.

This will provide an alternative source of energy for those in the community.

This can provide an important source of revenue for your business.

Women also played an important role in providing sources of income to the community.

This area provided a natural source of the needed clay.