1.   An equally efficient use of resource.

2.   Does the library education programme result in an increase in, or more efficient use of, the library?

3.   Following up on recommendations made last year, the president called for the more efficient use of resources.

4.   It is obvious that the relatively low price of high grade primary aggregates discourages efficient use of available resources and increases wastage.

5.   It would also make extremely efficient use of potentially dwindling uranium supplies.

6.   One person leading into another can make for a smoother flow and a more efficient use of time.