11.   He eventually whittled it down to eighteen thousand and his successors have since reduced the number even more dramatically.

12.   Hunger and the bitter cold would have reduced bird numbers and driven species to flock in the open fields.

13.   I mentioned the primary objective of reducing the number of road casualties.

14.   If the drill is a success, it could reduce the numbers of offshore rigs needed for drilling at sea.

15.   If we only have some success in reducing the number infected with HIV, I feel it will have been worthwhile.

16.   Import restrictions will reduce the number of cars buyers have to choose from.

17.   In fact, any strategy to reduce the number of receptors occupied could do the trick.

18.   Increase or reduce numbers of plants for larger or smaller areas.

19.   It can only reduce student numbers and make our education system more unequal.