1.  A socket for an extension microphone - a useful means of improving the quality of your sound recordings.

2.  It also serves as a useful means of relieving stress through review of recent weeks.

3.  It seems that symmetry is a useful means of combating a dominant force, such as gravity.

4.  Such questions will often generate discussion among the students generally and thus provide a useful means of stimulating their interest.

5.  This is a useful means of gathering evidence for assessment purposes.

6.  Projects provide a useful means of bringing together a wide range of skills and for integrating different activities within a module.

7.  It is also a useful means of identifying difficult points without which either party will not complete the transaction.

8.  In particular, missions led by ministers have proved a useful means of opening doors for companies sending representatives.

9.  The IS-LM model is a method of illustrating the general Keynesian model and provides a useful means of analysing the effects of various policy changes.

10.  The all-male group Promise Keepers has helped to popularize the act as a useful means of spiritual healing.