1.   Backers of the restrictions argue that the controls will prevent U.S. supercomputers from helping a country build an arsenal of weapons.

2.   Administration officials said tight controls would prevent forgeries.

3.   He only hopes, he added, that other quality controls would prevent scrimping.

4.   Hospital officials said Thursday that they doubt the new controls would have prevented the death.

5.   Sam said that not even the most stringent regulatory controls could prevent the collapse of a bank if senior management failed.

6.   Their product, completely dependent on consumer perception, was threatened unless jewelers could assure customers that strict controls would prevent their buying tainted stones.

7.   Though Celgene says the controls will prevent all pregnancies, few experts expect it to be so lucky.

8.   Under the old regional system, local government controls prevented funds from flowing freely across the country.

9.   Under the old regional interbank system, local government controls prevented funds from flowing freely across the country.

10.   But rate controls prevented utilities from passing costs along to consumers when wholesale prices skyrocketed.