11.  The three categories of passive, aggressive and assertive behaviour are a useful way of differentiating and describing interpersonal communication styles.

12.  Bar charts are a useful way of looking at sets of figures.

13.  Home sales provide a useful way of gauging the overall state of the economy.

14.  The West can still help, in a more useful way than Mr Kissinger proposed.

15.  In the above example a useful way of introducing the theme might be through a story about the discovery of how to make metal.

16.  Templates are not essential for the recipes in this book, but are a useful way of transferring more complicated designs and outlines from paper to icing or cake.

17.  This can be a very useful way of permitting development which would otherwise be undesirable.

18.  This provides the school librarian and teacher with access to expertise, suitable software and can be a useful way of gaining firsthand experience of using a microcomputer.

19.  Factual databases can be a useful way of introducing keyword searching.