1.   Falling profits made it necessary to restructure the business.

2.   Mention the sebaceous secretions that make it necessary to change the dressings every twelve hours.

3.   Often the process of enforcement or preservation makes it necessary for him to take or defend proceedings.

4.   Recent violence has made it necessary for security forces to take drastic measures.

5.   The ban on local sale of newsprint to Nasa Borba makes it necessary to import it from abroad at steep prices.

6.   The climate of deregulation made it necessary to remove restrictions on the ability of building societies to compete in financial Markets.

7.   The heavy rain made it necessary to close several roads.

8.   This in turn made it necessary to repeat the entry for all related activities, causing a great deal of duplication of records.

9.   The threat of a thunderstorm made it necessary to cancel the picnic.