1.   We must be sure that we are taking the necessary steps to prevent the problem from getting a foothold here.

2.   We recognized the possibility and took steps to prevent it happening.

3.   The doctor took steps to prevent perinatal infection.

4.   The company took aggressive steps to prevent illegal use of their equipment.

5.   The defendant had taken no serious steps to prevent them as most were his customers.

6.   Nevertheless, he added, it had failed to take the necessary steps to prevent an escape of rainbow trout.

7.   Farmer Stewart Bell had already taken steps to prevent children from becoming infected.

8.   Although the growth has slowed since then, Clinton says the government must take steps to prevent another explosion of costs.

9.   And Art Smith is angry, because he thought he had taken all the right steps to prevent this from happening.