1.   All medical facilities have been heavily concentrated in the capital city.

2.   Although the long-term trend is towards greater equality, most wealth still remains concentrated in the hands of a small minority.

3.   As capitalism developed, the workforce was increasingly concentrated in large factories where production was a social enterprise.

4.   Her new heavy industries were concentrated in narrowly restricted areas.

5.   Italian industry is concentrated mainly in the north.

6.   Moreover, within these areas workers were concentrated in large enterprises to a far greater extent than in the West.

7.   Most of the population in the Third World is concentrated in large cities.

8.   Most of the zip codes with little or no comeback were concentrated in the East Bay and far North Bay.

9.   Part-time farming related to other income earning activities is concentrated in the DRAs.