11.   Advocates for the poor contend that the windfall should be used to ensure genuine welfare reform rather than mere welfare reduction.

12.   In the system used to ensure civilian aviation safety, independent federal regulators can mandate safety changes.

13.   Then, special dyes and an ultrasound machine are used to ensure the catheter has been properly placed.

14.   They also might be used to ensure the freshness of food, drinks and beauty aids.

15.   A single-member preferential voting system is used to ensure the winning candidate ultimately has the support of the majority of voters.

16.   Can the AIDS tests used to ensure a safe blood supply keep pace with such diversity?

17.   He added that doctors would also have to monitor the frequency with which Viagra is used to ensure there would not be any abuse.

18.   Ingredients required should be listed in the order they are used to ensure none of them are inadvertently missed out.

19.   The metal detectors are used to ensure that no player has any electronic device from which he could receive help during the game.

20.   The parliament on Sunday passed a law establishing a state of emergency in Albania, allowing the army to be used to ensure public order.