1.   A primary concern of building inspectors is fire safety.

2.   As always, security is a primary concern.

3.   As always, security is our primary concern.

4.   Councils that conduct local polls say that that is the primary concern.

5.   Indeed, security is a primary concern of most users, but all free email services offer some form of security policy.

6.   Our primary concern is passenger safety.

7.   Our primary concern is to provide the refugees with food and health care.

8.   Security is our primary concern.

9.   The president said his primary concern was the welfare of the American people.

10.   The primary concern was with delinquency, the focus on moral character.