11.   Part-time farming tends to be concentrated in DRAs where small, often non-viable holdings predominate.

12.   Particular metals are concentrated in different regions of the micro-organisms.

13.   Settlement was concentrated in fishing villages on the tributaries of the Snake, Clearwater and Salmon Rivers.

14.   Systems development was concentrated in the newly released Field Base package for service engineer operators.

15.   The major industrial developments were heavily concentrated in a few key areas of the Empire.

16.   The minority population is concentrated in a few regions or states.

17.   The power of the punch is concentrated in a small area of the knuckles.

18.   The simple idea that resources ought to be concentrated in areas where unemployment is highest has struck home.

19.   These losses are concentrated mainly in the transport industries, aIthough the numbers employed in personal services have also Declined.