11.   Meanwhile its most valuable, perhaps unintended, contribution might be to aid the cause of grassroots subversion.

12.   National insurance contributions by individuals are also a form of direct personal taxation.

13.   No one knows how big the contribution was and the price paid for the electricity is being kept secret.

14.   Those contributions are normally in excess of those paid by employees.

15.   Contributions to charities are tax deductible.

16.   His contribution is immeasurable.

17.   The Housing Ministry denied that the contribution was illegal, but the confirmation served to increase internal and foreign condemnation of the move.

18.   As such their contribution was crucial to the related locational changes in economic activity and in population which became so important from the third quarter of the eighteenth century.

19.   The US contribution was massive.