11.   The pill is the most efficient method of birth control.

12.   Easy Project is an efficient method of planning, tracking and controlling all types of projects.

13.   Yet taxation was a far more efficient method of collecting premiums and distributing payments than a separate state insurance scheme.

14.   Today, it is accepted that the prevention of ostertagiasis by limiting exposure to infection is a more efficient method of control.

15.   Baricol has installed a new computerised system, bringing with it cheaper, faster and more efficient working methods.

16.   But many progress to the more efficient method of injecting.

17.   Falling is a surprisingly efficient method of braking, although not necessarily the best.

18.   Immunex is also investing in research to develop more efficient manufacturing methods for Enbrel.

19.   More efficient methods of collecting information also raise questions about privacy rights.