11.   The reduction in turnover, tight margins and the necessity to cut costs has made it necessary to restructure the business.

12.   The Labour Party had traditionally concentrated on gas and water socialism, but it could not avoid the revision of its foreign policy which events made necessary.

13.   Americans have learned to eat Mexican food, but the preference toward low or no-fat foods has made it necessary to play around with some traditional recipes.

14.   And the common contempt for lawmakers who voted for the impeachment of President Clinton makes it necessary, donors say.

15.   And the Yankees began the second half of the season on a very positive note in a one-game series made necessary by the strike.

16.   As mechanized farm machinery made it necessary to increase the size of farm fields, the stone walls had to be removed, she said.

17.   All that does is to allow the state to pass on the cost of rescues to the nincompoops who make them necessary.

18.   Budget constraints have made it necessary to confine activities to smaller venues, such as the Shrine.

19.   But agents said the margin is now so slight the cut will make fees necessary for those whose business is predominantly airline-related.

20.   But men and women put different imprints on certain genes, and an embryo with all female imprints fails to develop properly, making men necessary.